公开(公告)号：US12272319B2

公开(公告)日：2025-04-08

申请号：US18420120

申请日：2024-01-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Soon-Hwan Hong ,  Dae-Seok Oh ,  Seong-Yeong Kim ,  Kyung-Ah Chin

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3291

Abstract: A display device includes a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gate driving part generating a gate voltage using the gate control signal; a display panel including a plurality of subpixels and displaying an image using the data voltage and the gate voltage; and a plurality of first MUX switches and a plurality of second MUX switches sequentially transmitting the data voltage to two of a same color among the plurality of subpixels.

公开(公告)号：US11805691B2

公开(公告)日：2023-10-31

申请号：US17976810

申请日：2022-10-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Soon-Hwan Hong ,  Chang-Soo Kim ,  Seong-Yeong Kim

IPC: H10K59/35 ,  G09G3/3258 ,  H01L27/12 ,  H10K59/131 ,  H10K59/121 ,  H10K50/858 ,  H10K59/40

CPC classification number: H10K59/35 ,  G09G3/3258 ,  H01L27/1214 ,  H10K59/1213 ,  H10K59/131 ,  G09G2300/0452 ,  H10K50/858 ,  H10K59/40

Abstract: A display device with a switchable viewing angle includes a timing controller to generate an image data, a data control signal, and a gate control signal, a data driver to generate a data signal using the image data and the data control signal, a gate driver to generate a gate signal and first to third emission signals using the gate control signal, and a display panel including a plurality of subpixels to display an image using the data signal, the gate signal, and the first to third emission signals. The gate driver includes a gate signal generator to generate the gate signal, first emission signal generator to generate the first emission signal, and second and third emission signal generators to generate the second and third emission signals, respectively, using input and output signals of the gate signal generator and input and output signals of the first emission signal generator.

公开(公告)号：US11694591B2

公开(公告)日：2023-07-04

申请号：US17556952

申请日：2021-12-20

Applicant: LG Display Co., Ltd.

Inventor： Soon-Hwan Hong ,  Dae-Seok Oh ,  Seong-Yeong Kim

IPC: G09G3/20 ,  G09G3/3225

CPC classification number: G09G3/2003 ,  G09G3/3225 ,  G09G2310/0264 ,  G09G2320/0673

Abstract: A display device includes: a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gamma part transmitting the data voltage corresponding to the image data; a gate driving part generating a gate voltage using the gate control signal; a display panel including subpixels, gate lines, left data lines at a left side of the subpixels and right data lines at a right side of the subpixels; and first MUX switches, second MUX switches, third MUX switches, fourth MUX switches, fifth MUX switches and sixth MUX switches sequentially transmitting the data voltage to the left data lines and the right data lines.

公开(公告)号：US11678513B2

公开(公告)日：2023-06-13

申请号：US17134342

申请日：2020-12-26

Applicant: LG Display Co., Ltd.

Inventor： Soon-Hwan Hong ,  Kyung-Ah Chin ,  Seong-Yeong Kim

IPC: H10K50/86 ,  G02F1/1335 ,  H10K59/38 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5284 ,  G02F1/133512 ,  G02F1/133514 ,  H01L27/322

Abstract: A display device includes a substrate, sub-pixels on the substrate, a passivation layer on the sub-pixels, and an emitted light control layer on the passivation layer to define a non-emissive area between the sub-pixels, wherein the emitted light control layer includes black matrix layers divided into at least two layers.

公开(公告)号：US12004411B2

公开(公告)日：2024-06-04

申请号：US17995000

申请日：2022-11-28

Applicant: LG Display Co., Ltd.

Inventor： Soon-Hwan Hong ,  Chang-Soo Kim ,  Sang-Hak Shin ,  Cheol-Hwan Lee ,  Seong-Yeong Kim

IPC: H10K59/80 ,  G06F3/041 ,  G09G3/3233 ,  H10K59/40

CPC classification number: H10K59/8792 ,  G06F3/0412 ,  G09G3/3233 ,  H10K59/40 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/068

Abstract: A viewing angle switchable display device can include a display panel including first, second, and third sub-pixels, each of the first, second, and third sub-pixels having a first emission area and a second emission area spaced apart from the first emission area; and a lens layer disposed over the display panel and including a first type of lens corresponding to the first emission area and a second type of lens corresponding to the second emission area, in which the first type of lens has a different shape than the second type of lens. Also, the display panel is configured to display an image according to a wide view mode via the first emission area and the first type of lens, and display the image according to a narrow view mode via the second emission area and the second type of lens.

公开(公告)号：US11776478B2

公开(公告)日：2023-10-03

申请号：US17506563

申请日：2021-10-20

Applicant: LG Display Co., Ltd.

Inventor： Eui-Hyun Chung ,  Sung-Hun Kim ,  Da-Hye Shim ,  Soon-Hwan Hong

IPC: G09G3/3258 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3266 ,  G09G2310/08 ,  G09G2330/028

Abstract: An electroluminescent display device includes a display panel including a display region, which includes a plurality of pixel arrangement regions and a plurality of scan circuit regions between the plurality of pixel arrangement regions, and a non-display region around the display region; a scan driving circuit formed in the plurality of scan circuit regions, and a clock signal line transferring a clock signal, and a first voltage line and a second voltage line located at both sides of the clock signal line, the clock signal line and the first and second voltage lines being located in the scan circuit region, wherein the first voltage line transfers a low potential driving voltage which is supplied to a cathode corresponding to the display region.

公开(公告)号：US20220208917A1

公开(公告)日：2022-06-30

申请号：US17556986

申请日：2021-12-20

Applicant: LG Display Co., Ltd.

Inventor： Seong-Yeong Kim ,  Soon-Hwan Hong ,  Kyung-Ah Chin

IPC: H01L27/32

Abstract: A display device includes: a substrate having a subpixel and a circuit line area adjacent to the subpixel; a driving transistor in the subpixel; a first bottom shielding metal portion under the driving transistor in the subpixel and a second bottom shielding metal portion in the circuit line area; a first capacitor electrode portion in the subpixel and a second capacitor electrode portion in the circuit line area; and a light emitting diode in the subpixel, wherein the second bottom shielding metal portion is electrically connected to the second capacitor electrode portion in the circuit line area.

公开(公告)号：US12185582B2

公开(公告)日：2024-12-31

申请号：US17556986

申请日：2021-12-20

Applicant: LG Display Co., Ltd.

Inventor： Seong-Yeong Kim ,  Soon-Hwan Hong ,  Kyung-Ah Chin

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/122

Abstract: A display device includes: a substrate having a subpixel and a circuit line area adjacent to the subpixel; a driving transistor in the subpixel; a first bottom shielding metal portion under the driving transistor in the subpixel and a second bottom shielding metal portion in the circuit line area; a first capacitor electrode portion in the subpixel and a second capacitor electrode portion in the circuit line area; and a light emitting diode in the subpixel, wherein the second bottom shielding metal portion is electrically connected to the second capacitor electrode portion in the circuit line area.

公开(公告)号：US11978398B2

公开(公告)日：2024-05-07

申请号：US17977280

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： Soon-Hwan Hong ,  Seong-Yeong Kim ,  Ye-Seul Han ,  Jeong-Ok Jo

IPC: G09G3/3233 ,  G06F3/041 ,  G06F3/044 ,  H10K59/121 ,  H10K59/35 ,  H10K59/40 ,  H10K59/80

CPC classification number: G09G3/3233 ,  G06F3/0412 ,  G06F3/0446 ,  H10K59/121 ,  H10K59/352 ,  H10K59/353 ,  H10K59/40 ,  H10K59/8791 ,  G09G2300/0439 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/068 ,  G09G2330/023 ,  G09G2354/00 ,  G09G2358/00

Abstract: A viewing angle switchable display device can include a display panel including a plurality of sub-pixels, where each sub-pixel has a first emission area and a second emission area. The display device can further include a lens over the display panel and corresponding to the second emission area, wherein a size of the second emission area is smaller than a size of the first emission area.

公开(公告)号：US11929037B2

公开(公告)日：2024-03-12

申请号：US17558549

申请日：2021-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Soon-Hwan Hong ,  Dae-Seok Oh ,  Seong-Yeong Kim ,  Kyung-Ah Chin

IPC: G09G3/3291 ,  G09G3/20

CPC classification number: G09G3/3291 ,  G09G3/2003 ,  G09G2300/0452 ,  G09G2310/0291 ,  G09G2310/0297 ,  G09G2310/08

Abstract: A display device includes a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gate driving part generating a gate voltage using the gate control signal; a display panel including a plurality of subpixels and displaying an image using the data voltage and the gate voltage; and a plurality of first MUX switches and a plurality of second MUX switches sequentially transmitting the data voltage to two of a same color among the plurality of subpixels.