公开(公告)号：US11030957B2

公开(公告)日：2021-06-08

申请号：US16566633

申请日：2019-09-10

Applicant: LG Display Co., Ltd.

Inventor： Sang-Kyu Kim

IPC: G09G3/3258 ,  H01L27/32

Abstract: An organic light emitting display device includes: a display panel including a plurality of sub-pixels arranged in a plurality of column lines and a power line, each sub-pixel being supplied with first and second power voltages and including a light emitting diode, the power line extending along a column line direction and transferring the first power voltage; and a peak luminance control portion which derives a compensation value that is adjusted according to a maximum IR variation amount of IR variation amounts in the column line direction for a picture input thereto, applies the compensation value to an average picture level of the picture to derive a compensated average picture level, and controls a peak luminance of the picture according to the compensated average picture level, wherein the IR variation amount includes IR drop amount for the first power voltage and an IR rise amount for the second power voltage.

公开(公告)号：US10152924B2

公开(公告)日：2018-12-11

申请号：US15189274

申请日：2016-06-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Kyu Kim ,  Jae-Kyeong Yoon

IPC: G09G3/3291

Abstract: An organic light emitting diode display device including: a timing controller that receives an image signal and a plurality of timing signals from an external system and output an image data, a gate control signal and a data control signal; a peak luminance controlling unit that calculates a peak luminance according to an average picture level of the image data and calculates a modified peak luminance by modifying the peak luminance according to one or more of a color change and a scene change of the image data; a gate driver that generates a gate signal using the gate control signal; a data driver that generates a data signal using the modified peak luminance, the image data and the data control signal; and a display panel that displays an image using the gate signal and the data signal.

公开(公告)号：US11231799B2

公开(公告)日：2022-01-25

申请号：US16922667

申请日：2020-07-07

Applicant: LG Display Co., Ltd.

Inventor： Ru-Da Rhe ,  Ji-Hyun Jung ,  Deuk-Su Lee ,  Sang-Kyu Kim ,  Jae-Gyun Lee ,  Hyang-Myoung Gwon

IPC: G09G5/00 ,  G06F3/041 ,  H01L27/32 ,  H01L51/52

Abstract: A touch display device includes a touch sensing electrode and a touch drive electrode disposed on an encapsulation unit configured to encapsulate a light-emitting element, the touch sensing electrode and the touch drive electrode being configured to form a first mutual capacitor, and first and second compensation electrodes disposed in a non-active area of a substrate so as to be opposite each other, the first and second compensation electrodes being configured to form a second mutual capacitor, whereby the value of capacitance of all mutual capacitors is increased, and therefore it is possible to prevent deterioration in touch performance.

公开(公告)号：US11195888B2

公开(公告)日：2021-12-07

申请号：US16904525

申请日：2020-06-17

Applicant: LG Display Co., Ltd.

Inventor： Hyang-Myoung Gwon ,  Ru-Da Rhe ,  Ji-Hyun Jung ,  Su-Chang An ,  Sang-Kyu Kim ,  Jae-Gyun Lee ,  Yoonnara Jang

IPC: G06F3/045 ,  H01L27/32 ,  G06F3/044 ,  G06F3/041 ,  H01L51/52 ,  H01L51/00

Abstract: Disclosed is a display device having a reduced bezel area. The display device includes a plurality of touch lines electrically connected to a plurality of touch electrodes and display link lines electrically connected to a light-emitting element, the display link lines being disposed in a non-active area of a substrate, wherein a minimum of M touch lines (M being a natural number greater than 1 and less than N) is disposed with respect to a minimum of N display link lines (N being a natural number greater than 1), among the plurality of display link lines, in the non-active area. Consequently, a narrow bezel may be realized.

公开(公告)号：US20200082761A1

公开(公告)日：2020-03-12

申请号：US16566633

申请日：2019-09-10

Applicant: LG Display Co., Ltd.

Inventor： Sang-Kyu Kim

IPC: G09G3/3258 ,  H01L27/32

Abstract: An organic light emitting display device includes: a display panel including a plurality of sub-pixels arranged in a plurality of column lines and a power line, each sub-pixel being supplied with first and second power voltages and including a light emitting diode, the power line extending along a column line direction and transferring the first power voltage; and a peak luminance control portion which derives a compensation value that is adjusted according to a maximum IR variation amount of IR variation amounts in the column line direction for a picture input thereto, applies the compensation value to an average picture level of the picture to derive a compensated average picture level, and controls a peak luminance of the picture according to the compensated average picture level, wherein the IR variation amount includes IR drop amount for the first power voltage and an IR rise amount for the second power voltage.