ClassID:

208157

H01L27/323 - page 8 - CPC Classification

Classification description:

Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]; OLED integrated with another component the other component being a touch screen

Recent Application in this class:
#2101
20200105841
2020-04-02

Display apparatus including light receiving pixel area

#2102
20200105840
2020-04-02

Display device

#2103
20200105828
2020-04-02

Display apparatus including light-receiving device

#2104
20200105169
2020-04-02

Flexible display device and method manufacturing the same

#2105
20200104562
2020-04-02

Fingerprint sensor and display device including the same

#2106
20200104001
2020-04-02

Display device and electronic device

#2107
20200100372
2020-03-26

Light-emitting device

#2108
20200098847
2020-03-26

DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE

#2109
20200098830
2020-03-26

Flexible display device

#2110
20200097122
2020-03-26

Organic light-emitting display panel and organic light-emitting display device having built-in touchscreen

#2111
20200097116
2020-03-26

Display apparatus and method of manufacturing the same

#2112
20200096798
2020-03-26

Display apparatus and method of manufacturing the same

#2113
20200091247
2020-03-19

Organic light emitting diode display

#2114
20200089369
2020-03-19

Touch sensing unit and display device including the same

#2115
20200089368
2020-03-19

Electronic device

#2116
20200089363
2020-03-19

Touch panel and display apparatus including the same

#2117
20200089356
2020-03-19

TOUCH DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND TOUCH DISPLAY APPARATUS

#2118
20200089350
2020-03-19

TOUCH SENSING UNIT AND DISPLAY DEVICE INCLUDING THE SAME

#2119
20200083467
2020-03-12

Flexible display panel and polyimide substrate thereof, and method for fabricating the flexible display panel

#2120
20200083300
2020-03-12

Display device comprising a light-emitting element

#2121
20200083299
2020-03-12

Display device

#2122
20200082142
2020-03-12

Full-screen fingerprint recognizing touch display screen

#2123
20200081583
2020-03-12

Display devices

#2124
20200081580
2020-03-12

Display device

#2125
20200081572
2020-03-12

Input sensing unit and display apparatus including the same

#2126
20200081571
2020-03-12

Input sensing unit and display apparatus including the same

#2127
20200081569
2020-03-12

Organic light emitting diode touch panel and method of forming the same

#2128
20200081568
2020-03-12

DISPLAY PANEL AND DISPLAY DEVICE

#2129
20200079914
2020-03-12

Supramolecular structure and method of manufacturing the same and self-healing elastomer

#2130
20200075895
2020-03-05

Foldable display device including retarder

#2131
20200075880
2020-03-05

Organic light-emitting diode display panel, method for fabricating the same and display device

#2132
20200075703
2020-03-05

Array substrate structure and display device

#2133
20200075685
2020-03-05

DISPLAY PANEL AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

#2134
20200075684
2020-03-05

Electronic panel and method for manufacturing the same

#2135
20200075683
2020-03-05

Viewing angle color shift control

#2136
20200075682
2020-03-05

Display device having color filter with scattering agent

#2137
20200074140
2020-03-05

FINGERPRINT IDENTIFICATION PANEL, FINGERPRINT IDENTIFICATION METHOD AND DISPLAY DEVICE

#2138
20200073503
2020-03-05

Touch panel and touch-panel-integrated organic light-emitting display device having touch electrodes with floating units

#2139
20200073500
2020-03-05

Electronic apparatus and method for manufacturing the same

#2140
20200073496
2020-03-05

Organic light-emitting display panel and fabrication method thereof

#2141
20200073493
2020-03-05

TOUCH DISPLAY DEVICE AND METHOD FOR MAKING TOUCH DISPLAY DEVICE

#2142
20200067024
2020-02-27

Multilayer diamond display system and method

#2143
20200067021
2020-02-27

Method for producing a display device, and display device

#2144
20200067018
2020-02-27

Display device having detection electrode

#2145
20200067013
2020-02-27

Organic light emitting display and method of fabricating the same

#2146
20200067011
2020-02-27

Display device having touch sensing part

#2147
20200067010
2020-02-27

Display device

#2148
20200066824
2020-02-27

Flexible electroluminescent display device

#2149
20200066805
2020-02-27

OLED display panel and fabrication method of the same

#2150
20200066804
2020-02-27

Display device and method of manufacturing display device

#2151
20200066802
2020-02-27

Display device

#2152
20200065542
2020-02-27

Electronic device including sensor placed under display

#2153
20200064968
2020-02-27

Display device

#2154
20200064529
2020-02-27

N4 phase retardation film, display apparatus and manufacturing method thereof

#2155
20200058892
2020-02-20

DISPLAY DEVICE HAVING TOUCH SENSING PART

#2156
20200058712
2020-02-20

Display device and method of manufacturing the same

#2157
20200058711
2020-02-20

Display device

#2158
20200058710
2020-02-20

Organic light-emitting display panel and display device

#2159
20200057545
2020-02-20

Display device having at least one pressure sensor

#2160
20200057530
2020-02-20

Electronic device

#2161
20200057529
2020-02-20

Touch panel, method for fabricating the same, and display device

#2162
20200057520
2020-02-20

Anti-reflective integrated touch display panel

#2163
20200057516
2020-02-20

Free form touch device

#2164
20200057374
2020-02-20

Display substrate, method for preparing the same, and display device

#2165
20200052247
2020-02-13

Organic electroluminescence display device having a circular polarization plate and a high refractive index layer

#2166
20200052246
2020-02-13

Flexible display module having a hollow defined middle

#2167
20200052243
2020-02-13

Protective structure and electronic device with the same

#2168
20200052239
2020-02-13

Flexible display and electronic device including the same

#2169
20200052058
2020-02-13

Organic light-emitting display apparatus and method of manufacturing the same

#2170
20200052044
2020-02-13

Display device having an input sensing unit

#2171
20200052043
2020-02-13

Touch panel, method for driving the same, and touch device

#2172
20200050335
2020-02-13

Display device

#2173
20200050320
2020-02-13

Device and method for capacitive sensing

#2174
20200050271
2020-02-13

Touch control substrate, touch screen, electronic device and touch control method

#2175
20200049864
2020-02-13

Privacy films for curved displays

#2176
20200044305
2020-02-06

Electronic device with near-field antenna operating through display

#2177
20200044005
2020-02-06

Organic EL display device

#2178
20200044003
2020-02-06

Flexible display and electronic device including same

#2179
20200043985
2020-02-06

Display substrate of electronic device and method for manufacturing same

#2180
20200043984
2020-02-06

Display device including an input sensing circuit having dummy patterns

#2181
20200042132
2020-02-06

Force sensor and display device including the same

#2182
20200042127
2020-02-06

Touch control display, method for controlling touch control display and storage medium

#2183
20200042126
2020-02-06

TOUCH DISPLAY PANEL AND DRIVING METHOD

#2184
20200042125
2020-02-06

Display device having pressure sensors on side edges

#2185
20200042117
2020-02-06

Touch panel and organic light emitting diode display panel

#2186
20200042116
2020-02-06

Touch panel and organic light emitting diode display panel

#2187
20200036386
2020-01-30

Touch driving device and display device for directly sensing display electrode noise

#2188
20200035762
2020-01-30

Display device

#2189
20200035757
2020-01-30

Organic light emitting display device and method of manufacturing the same

#2190
20200035756
2020-01-30

Organic light-emitting diode touch display substrate, organic light-emitting diode touch display panel, display device and control method thereof

#2191
20200035707
2020-01-30

Display panel with fingerprint recognition and display device

#2192
20200034600
2020-01-30

Display substrate, fingerprint recognition method, and touch display device

#2193
20200034020
2020-01-30

Display device and method of manufacturing the same

#2194
20200033993
2020-01-30

Display device including sensor and auxiliary sensor parts

#2195
20200033978
2020-01-30

Drive method and drive circuit for driving organic light-emitting diode panel and display device

#2196
20200033974
2020-01-30

Touch panel switch, touch panel and manufacture method of touch panel switch

#2197
20200033967
2020-01-30

Touch member and display device including the same

#2198
20200028114
2020-01-23

Display panel and display apparatus

#2199
20200027929
2020-01-23

Display apparatus with touch sensor having shield layer between touch sensor line and driving line

#2200
20200027927
2020-01-23

MANUFACTURING METHOD OF DISPLAY DEVICE AND THIN-FILM DEPOSITION APPARATUS USING THE SAME

#2201
20200027380
2020-01-23

Display device

#2202
20200026390
2020-01-23

Display device having touch sensor

#2203
20200026383
2020-01-23

Touch display device, touch circuit, and driving method

#2204
20200026332
2020-01-23

Display panel

#2205
20200022261
2020-01-16

Display module and display device including the same

#2206
20200020885
2020-01-16

Display device and method for manufacturing the same

#2207
20200020759
2020-01-16

Display device

#2208
20200020748
2020-01-16

Touch display panel and method of manufacturing the same

#2209
20200020747
2020-01-16

Organic light emitting display device

#2210
20200019294
2020-01-16

Display device having touch sensor

#2211
20200019281
2020-01-16

Display device, with touch sensor, to suppress disconnection of lead-out wiring

#2212
20200019264
2020-01-16

Display device and display device substrate having touch sensing function

#2213
20200015355
2020-01-09

Substrate assembly, display panel and display device

#2214
20200013989
2020-01-09

Display apparatus with substrate hole and touch electrode

#2215
20200013844
2020-01-09

Electronic apparatus

#2216
20200013831
2020-01-09

Flexible touch panel, method for manufacturing the same and flexible touch device

#2217
20200012387
2020-01-09

Input detection unit and display device including the same

#2218
20200012374
2020-01-09

Display device

#2219
20200012373
2020-01-09

Display device

#2220
20200012371
2020-01-09

Touch substrate, touch substrate driving method and preparation method, and touch device

#2221
20200012369
2020-01-09

Array substrate, method for fabricating the same, display panel, and display device

#2222
20200012130
2020-01-09

OPTICAL LAMINATE AND FRONT PANEL OF IMAGE DISPLAY APPARATUS, IMAGE DISPLAY APPARATUS, RESISTIVE FILM-TYPE TOUCH PANEL, AND CAPACITANCE-TYPE TOUCH PANEL HAVING OPTICAL LAMINATE

#2223
20200006683
2020-01-02

Flexible display device

#2224
20200006447
2020-01-02

MULTI-FUNCTIONAL ACTIVE MATRIX ORGANIC LIGHT-EMITTING DIODE DISPLAY

#2225
20200004381
2020-01-02

Display device with built-in optical image sensor

#2226
20190394869
2019-12-26

Flexible substrate with bubble-prevention layer and display device including the same

#2227
20190393449
2019-12-26

ORGANIC LIGHT EMITTING DISPLAY DEVICE

#2228
20190393434
2019-12-26

FLEXIBLE DISPLAY MOTHERBOARD AND FLEXIBLE DISPLAY PANEL

#2229
20190393294
2019-12-26

Display device

#2230
20190393278
2019-12-26

DISPLAY DEVICE

#2231
20190393274
2019-12-26

Organic light emitting display module and organic light emitting display device having the same

#2232
20190391693
2019-12-26

Display device

#2233
20190391691
2019-12-26

Display panel and display device

#2234
20190386070
2019-12-19

DISPLAY DEVICE

#2235
20190386069
2019-12-19

OLED display device with embedded touch electrode

#2236
20190384435
2019-12-19

Touch display device

#2237
20190384111
2019-12-19

Flexible display apparatus

#2238
20190373719
2019-12-05

Display apparatus and electronic device including the same

#2239
20190371870
2019-12-05

Organic light-emitting display panel and organic light-emitting display device

#2240
20190371865
2019-12-05

Display device

#2241
20190369788
2019-12-05

Display device with built-in touch sensor

#2242
20190369784
2019-12-05

Touch display panel and touch display device

#2243
20190369776
2019-12-05

Display device and touch display device

#2244
20190369292
2019-12-05

ANTIREFLECTIVE POLARIZING PLATE, OPTICAL LAMINATE, AND METHOD FOR PRODUCING OPTICAL LAMINATE

#2245
20190363297
2019-11-28

Display device

#2246
20190363286
2019-11-28

Flexible display module having a flexible glass layer

#2247
20190363268
2019-11-28

Method for manufacturing thermal insulation film, thermal insulation structure, and display device

#2248
20190363137
2019-11-28

Method for manufacturing touch control display screen

#2249
20190363061
2019-11-28

Display device

#2250
20190362669
2019-11-28

PIXEL DRIVING CIRCUIT, DRIVING METHOD THEREOF, AND DISPLAY PANEL

#2251
20190361559
2019-11-28

Force touch display panel, detection method thereof, and display apparatus

#2252
20190361558
2019-11-28

Force sensor module and display device including the same

#2253
20190361555
2019-11-28

Display device and fabricating method thereof

#2254
20190361550
2019-11-28

OLED panel

#2255
20190361493
2019-11-28

Display device

#2256
20190361282
2019-11-28

Touch Display Panel, Method for Manufacturing the Same and Display Device

#2257
20190361281
2019-11-28

Panel and method for manufacturing panel with minimal border area

#2258
20190355935
2019-11-21

Organic light emitting display device

#2259
20190355929
2019-11-21

Organic light emitting diode display panel, manufacturing method thereof, and organic light emitting diode display apparatus

#2260
20190355919
2019-11-21

Flexible substrate and manufacturing method thereof

#2261
20190355906
2019-11-21

VAPOR DEPOSITION METHOD, AND EL DEVICE MANUFACTURING METHOD

#2262
20190355796
2019-11-21

Display device including a sensing signal transmitter and a sensing signal receiver

#2263
20190354789
2019-11-21

Touch panel and display apparatus

#2264
20190354140
2019-11-21

Display device

#2265
20190350085
2019-11-14

Method of producing display device using imprint layer forming step

#2266
20190348491
2019-11-14

Organic light emitting display apparatus

#2267
20190348486
2019-11-14

DISPLAY DEVICE

#2268
20190348485
2019-11-14

Display device

#2269
20190348480
2019-11-14

Display panel and electronic device comprising thereof

#2270
20190348476
2019-11-14

Display device

#2271
20190348475
2019-11-14

Display device having a portion of a sub layer that does not overlap with signal lines

#2272
20190348474
2019-11-14

Organic light-emitting diode display panel and organic light-emitting diode display apparatus

#2273
20190348473
2019-11-14

FLEXIBLE SUBSTRATE, MANUFACTURING METHOD THEREOF AND TOUCH DISPLAY PANEL

#2274
20190348469
2019-11-14

OLED display color compensation

#2275
20190348457
2019-11-14

Optical sensors including a light-impeding pattern

#2276
20190348448
2019-11-14

Display device, manufacturing method of display device, and electronic device

#2277
20190346987
2019-11-14

Touch panel, touch device and method of manufacturing touch panel

#2278
20190346973
2019-11-14

Wiring board, display device, and method of producing wiring board

#2279
20190346972
2019-11-14

Flexible display panel, manufacturing method thereof and display device

#2280
20190346958
2019-11-14

Force detention apparatus

#2281
20190346943
2019-11-14

Input sensing unit and electronic device including the same

#2282
20190341443
2019-11-07

Organic light emitting display device

#2283
20190341439
2019-11-07

Organic light-emitting display device

#2284
20190341434
2019-11-07

Light emitting display device

#2285
20190341429
2019-11-07

Display device

#2286
20190341428
2019-11-07

Organic light-emitting diode display device

#2287
20190339807
2019-11-07

Self-luminescence display apparatus with touch function

#2288
20190334120
2019-10-31

Display panel including a filling member in a blocking groove adjacent to a module hole

#2289
20190334118
2019-10-31

Display device

#2290
20190334105
2019-10-31

Display device

#2291
20190333971
2019-10-31

Display device

#2292
20190332213
2019-10-31

Integrated touch screen

#2293
20190332212
2019-10-31

Display device and touch sensor including touch sensing electrodes

#2294
20190331954
2019-10-31

Circuit substrate, display device and driving method

#2295
20190326556
2019-10-24

Display device

#2296
20190326550
2019-10-24

Display apparatus including touch sensing unit with low-density silicon nitride layer

#2297
20190326545
2019-10-24

Organic light emitting display device

#2298
20190326362
2019-10-24

Organic light emitting display device

#2299
20190326361
2019-10-24

Organic light-emitting display device having touch sensor

#2300
20190326360
2019-10-24

Organic light-emitting display device having touch sensor

#2301
20190326359
2019-10-24

OLED touch display panel with baffles on a TFT back plate, method for manufacturing the same and touch display device

#2302
20190324586
2019-10-24

Flexible substrate and flexible display panel, flexible display device thereof and method of using flexible display device

#2303
20190324585
2019-10-24

Display panel and touch display device

#2304
20190324582
2019-10-24

Touch display panel, manufacturing method thereof and touch display device

#2305
20190324580
2019-10-24

Touch panel display

#2306
20190324575
2019-10-24

Touch control electrode structure and touch control panel

#2307
20190324567
2019-10-24

Organic light emitting display device

#2308
20190324498
2019-10-24

Foldable display neutral axis management with thin, high modulus layers

#2309
20190319133
2019-10-17

Electronic device including light detection device and operation method thereof

#2310
20190319077
2019-10-17

Display device having touch sensor

#2311
20190319076
2019-10-17

Display device

#2312
20190319075
2019-10-17

Display device

#2313
20190319051
2019-10-17

Touch display device with mesh units and anti-static electricity connecting parts

#2314
20190317625
2019-10-17

Touch panel and display device with touch panel

#2315
20190317624
2019-10-17

SEMICONDUCTOR DEVICE AND TOUCH PANEL

#2316
20190312230
2019-10-10

Organic EL display device

#2317
20190312090
2019-10-10

ELECTRONIC DEVICE INCLUDING BENDABLE DISPLAY

#2318
20190310729
2019-10-10

Input/output panel, semiconductor device, and driving method

#2319
20190310726
2019-10-10

Film sensor member and method for manufacturing same, circularly polarizing plate and method for manufacturing same, and image display device

#2320
20190310724
2019-10-10

Electronic device display for through-display imaging

#2321
20190310302
2019-10-10

Display device including flexible printed circuit board and for detecting separation of the flexible printed circuit board

#2322
20190305256
2019-10-03

Display device

#2323
20190305238
2019-10-03

Display apparatus having non-adhesive member or support part surfaces overlapping with the folding area

#2324
20190305237
2019-10-03

Electronic device with movable flexible display and operating method thereof

#2325
20190305236
2019-10-03

Display device

#2326
20190305069
2019-10-03

Display substrate, display panel, manufacturing method, driving method, and display apparatus

#2327
20190305053
2019-10-03

Touch control display panel, display device having the same and method of fabricating the same

#2328
20190305052
2019-10-03

Touch display panel, method for fabricating the same, and display device

#2329
20190304357
2019-10-03

Organic light emitting diode display with transparent pixel portion and corresponding devices

#2330
20190303641
2019-10-03

Display device

#2331
20190302953
2019-10-03

Fingerprint sensor package and display device including the same

#2332
20190302946
2019-10-03

Display panel and display device including the same

#2333
20190302942
2019-10-03

Touch sensor and display device having the same

#2334
20190302937
2019-10-03

Electronic device and method for controlling the same

#2335
20190302935
2019-10-03

Touch sensor feedlines for display

#2336
20190302925
2019-10-03

Electroconductive film, touch panel, and image display device

#2337
20190302846
2019-10-03

Flexible display panel and flexible display apparatus

#2338
20190296265
2019-09-26

Display device

#2339
20190296259
2019-09-26

Electronic device and method of forming flexible display thereof

#2340
20190296089
2019-09-26

Display device, module, and electronic device

#2341
20190294851
2019-09-26

DISPLAY PANEL FOR PROVIDING SENSING LIGHT TO OPTICAL FINGERPRINT SENSOR AND FINGERPRINT SENSING SYSTEM INCLUDING THEREOF

#2342
20190294284
2019-09-26

DISPLAY DEVICE

#2343
20190294283
2019-09-26

Display substrate and method of manufacturing the same, display device

#2344
20190294281
2019-09-26

Display device having shaped sealing member

#2345
20190294276
2019-09-26

Touch sensor and display device with touch sensor

#2346
20190288053
2019-09-19

Flat panel display including plurality of pads

#2347
20190288047
2019-09-19

Method of manufacturing display panel and display apparatus including the display panel

#2348
20190288041
2019-09-19

Flexible display device including a sacrificial layer

#2349
20190286869
2019-09-19

Display module

#2350
20190286270
2019-09-19

Display device

#2351
20190286266
2019-09-19

Touch control panel, production method thereof, and display apparatus

#2352
20190286259
2019-09-19

Touch display device

#2353
20190280242
2019-09-12

Flexible display apparatus

#2354
20190280058
2019-09-12

Electronic device and manufacturing method for same

#2355
20190280057
2019-09-12

Electronic device and manufacturing method for same

#2356
20190280054
2019-09-12

Organic light-emitting display panel and display apparatus

#2357
20190280053
2019-09-12

Organic light emitting display having touch sensor and method of fabricating the same

#2358
20190280052
2019-09-12

METHOD FOR MANUFACTURING A TOUCH-CONTROL PANEL AND OLED TOUCH-CONTROL APPARAUTS

#2359
20190280051
2019-09-12

ELECTROLUMINESCENT DISPLAY INTEGRATED WITH TOUCH SENSOR AND METHOD OF FORMING THE SAME

#2360
20190278455
2019-09-12

Touch display unit, touch display panel and method for driving thereof

#2361
20190278422
2019-09-12

Flexible electronic devices

#2362
20190278412
2019-09-12

Electronic device comprising pressure sensor

#2363
20190278411
2019-09-12

Display device

#2364
20190278410
2019-09-12

Display device

#2365
20190278409
2019-09-12

Touch sensor and display device including the same

#2366
20190278407
2019-09-12

Pixel circuit, display panel and driving method thereof

#2367
20190278323
2019-09-12

System for color and brightness output management in a dual display device

#2368
20190273124
2019-09-05

Flexible display panel

#2369
20190273123
2019-09-05

Method of manufacturing a display device utilizing pixel and dummy portions

#2370
20190272051
2019-09-05

Multilayer structure, method of manufacturing multilayer structure, and image display device

#2371
20190271874
2019-09-05

Curved display device and fabrication method

#2372
20190267431
2019-08-29

Touch panel, method for fabricating the same and display device

#2373
20190267430
2019-08-29

OLED integrated digitizer and method of preparing the same

#2374
20190267299
2019-08-29

Transparent siloxane encapsulant and adhesive

#2375
20190265835
2019-08-29

Display device having touch sensors and driving method thereof

#2376
20190265757
2019-08-29

Flexible display device

#2377
20190265533
2019-08-29

Display apparatus and related manufacturing method

#2378
20190259978
2019-08-22

Method for fabricating a display device are capable of substantially minimizing damage and carbonization of a substrate

#2379
20190259977
2019-08-22

Display apparatus and method of manufacturing the same

#2380
20190259966
2019-08-22

Display device comprising heat sink comprising metal alloy

#2381
20190259965
2019-08-22

Display device

#2382
20190259819
2019-08-22

Electronic device with touch sensor

#2383
20190259818
2019-08-22

OLED display apparatus with reduced bezel

#2384
20190258350
2019-08-22

OLED touch display panel, display device and method for detecting touch operation zone

#2385
20190258349
2019-08-22

Display device

#2386
20190252639
2019-08-15

Display device and manufacturing method thereof

#2387
20190252483
2019-08-15

Display device and method of manufacturing the same

#2388
20190252468
2019-08-15

Organic light emitting display and method of fabricating the same

#2389
20190252467
2019-08-15

DISPLAY PANEL, METHOD FOR MANUFACTURING THE SAME AND DISPLAY DEVICE

#2390
20190252412
2019-08-15

Display including plurality of wiring layers in bending region

#2391
20190251875
2019-08-15

Flexible display device

#2392
20190251318
2019-08-15

Fingerprint sensing unit and display device including the same

#2393
20190250764
2019-08-15

Touch sensing unit and display device including the same

#2394
20190250750
2019-08-15

Method for manufacturing flexible touch display panel

#2395
20190250749
2019-08-15

Display device

#2396
20190250748
2019-08-15

Display device with touch sensor

#2397
20190250746
2019-08-15

Sensing unit having a notch pattern and display device including the same

#2398
20190250739
2019-08-15

Display device with a partition member

#2399
20190250738
2019-08-15

Display device including mesh lines overlapping contact holes

#2400
20190250734
2019-08-15

Display device