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公开(公告)号:US20240194127A1
公开(公告)日:2024-06-13
申请号:US18486985
申请日:2023-10-13
Applicant: Samsung Display Co., Ltd.
Inventor: Sang Jin JEON , Min Chul SHIN , Jung Hwan HWANG , Sung Hwan KIM , Ji Youn SEO , Kye Uk LEE
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/026 , G09G2310/0275 , G09G2310/0297 , G09G2310/08 , G09G2320/0209
Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.
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公开(公告)号:US20240161676A1
公开(公告)日:2024-05-16
申请号:US18422988
申请日:2024-01-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Jun Ki JEONG
CPC classification number: G09G3/2011 , G09G3/32 , G09G2300/0426 , G09G2300/0819 , G09G2310/027 , G09G2310/08 , G09G2320/0242
Abstract: A display device includes PAM data lines receiving PAM and PWM data voltages, and sub-pixels connected to the PAM and PWM data lines. A sub-pixel includes a light emitting element, a first pixel driver to supply a control current according to one of the PAM data voltages to a node, a second pixel driver to generate a driving current according to one of the PWM data voltages, and a third pixel driver to adjust a period during which the driving current is supplied to the light emitting element according to a voltage of the node. A peak current value of the driving current when the sub-pixel emits a light corresponding to a low gray level region is smaller than a peak current value of the driving current when the sub-pixel emits a light corresponding to a high gray level region higher than the low gray level region.
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公开(公告)号:US20240112626A1
公开(公告)日:2024-04-04
申请号:US18528761
申请日:2023-12-04
Applicant: Samsung Display Co., LTD.
Inventor: Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Sang Jin JEON , Jun Ki JEONG
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2320/0633
Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.
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公开(公告)号:US20230268329A1
公开(公告)日:2023-08-24
申请号:US17984104
申请日:2022-11-09
Applicant: Samsung Display Co., LTD.
Inventor: Hyun Joon KIM , Jung Hwan HWANG , Kye Uk LEE , Sang Jin JEON
CPC classification number: H01L25/167 , H01L27/124 , H01L33/50
Abstract: A display device includes a substrate including an emission area and a non-emission area, a pixel circuit layer above the substrate, and including a transistor and a signal line in the non-emission area, and a color conversion pattern in the emission area, a light emitting element above the color conversion pattern, and electrically connected to the transistor, an insulating layer covering the light emitting element, and a pad above the insulating layer, and electrically connected to the signal line, wherein the color conversion pattern is configured to convert a wavelength band of light incident from the light emitting element.
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公开(公告)号:US20230237954A1
公开(公告)日:2023-07-27
申请号:US17979064
申请日:2022-11-02
Applicant: Samsung Display Co., LTD.
Inventor: Kye Uk LEE , Jung Hwan HWANG , Hyun Joon KIM
IPC: G09G3/32 , H01L25/075 , H01L27/12 , H01L33/62
CPC classification number: G09G3/32 , H01L25/0753 , H01L27/1244 , H01L33/62 , G09G2300/0408 , G09G2300/0413 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2300/0871 , G09G2320/02 , G09G2310/0202 , G09G2310/0272 , G09G2330/02 , G09G2330/12 , G09G2320/064
Abstract: A display device includes a substrate including a display area in which a plurality of sub-pixels are disposed, a plurality of anode electrodes respectively connected to the plurality of sub-pixels, and a cathode electrode connected to the plurality of sub-pixels and spaced apart from each of the plurality of anode electrodes. Each of the plurality of anode electrodes is disposed closer to the substrate than the cathode electrode by a height difference compensation part.
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公开(公告)号:US20230154372A1
公开(公告)日:2023-05-18
申请号:US17810141
申请日:2022-06-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Jun Ki JEONG
CPC classification number: G09G3/2011 , G09G3/32 , G09G2310/08 , G09G2310/027 , G09G2300/0819 , G09G2300/0426 , G09G2320/0242
Abstract: A display device includes PAM data lines receiving PAM and PWM data voltages, and sub-pixels connected to the PAM and PWM data lines. A sub-pixel includes a light emitting element, a first pixel driver to supply a control current according to one of the PAM data voltages to a node, a second pixel driver to generate a driving current according to one of the PWM data voltages, and a third pixel driver to adjust a period during which the driving current is supplied to the light emitting element according to a voltage of the node. A peak current value of the driving current when the sub-pixel emits a light corresponding to a low gray level region is smaller than a peak current value of the driving current when the sub-pixel emits a light corresponding to a high gray level region higher than the low gray level region.
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公开(公告)号:US20230120477A1
公开(公告)日:2023-04-20
申请号:US17941990
申请日:2022-09-09
Applicant: Samsung Display Co., LTD.
Inventor: Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Jun Ki JEONG , Sang Jin JEON
IPC: G09G3/32
Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.
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公开(公告)号:US20220285598A1
公开(公告)日:2022-09-08
申请号:US17682567
申请日:2022-02-28
Applicant: Samsung Display Co., Ltd.
Inventor: Kye Uk LEE , Soo Hong CHEON
Abstract: A display device and a method for fabricating a display device are provided. The display device includes a display panel, a printed circuit film, and an adhesive member interposed between the display panel and the printed circuit film, wherein the display panel comprises an insulating layer and a plurality of grooves overlapping with the adhesive member in a thickness direction of the display device and disposed on a surface of the insulating layer, and wherein the plurality of grooves is filled with the adhesive member.
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公开(公告)号:US20160377934A1
公开(公告)日:2016-12-29
申请号:US15005601
申请日:2016-01-25
Applicant: Samsung Display Co. Ltd.
Inventor: Kee Bum PARK , Yoo Mi RA , Hyung Jin SONG , Kye Uk LEE
IPC: G02F1/1343 , G02F1/1362 , G02F1/1368
CPC classification number: G02F1/134309 , G02F1/133707 , G02F1/13624 , G02F1/1368 , G02F2001/134345
Abstract: A liquid crystal display includes a first display substrate including a plurality of pixel electrodes corresponding to a plurality of pixels, respectively, a second display substrate disposed opposite to the first display substrate; and a liquid crystal layer disposed between the first and second display substrates, where each of the pixel electrodes includes first and second subpixel electrodes, which are disposed near each other in a first direction and each include a plurality of minute branches, the first subpixel electrode is divided into a plurality of first-subpixel areas including a first first-subpixel area, in which the minute branches extend in a first diagonal direction, and the second subpixel electrode includes a plurality of second-subpixel areas including a first second-subpixel area, which is disposed near the first first-subpixel area in the first direction and in which the minute branches extend in the first diagonal direction.
Abstract translation: 液晶显示器包括分别包括与多个像素相对应的多个像素电极的第一显示基板,与第一显示基板相对设置的第二显示基板; 以及设置在第一和第二显示基板之间的液晶层,其中每个像素电极包括第一和第二子像素电极,第一和第二子像素电极在第一方向上彼此靠近并且分别包括多个分支,第一子像素电极 被划分为多个第一子像素区域,包括第一第一子像素区域,其中微分支沿第一对角线方向延伸,并且第二子像素电极包括多个第二子像素区域,其包括第一第二子像素区域 ,其设置在第一方向上的第一第一子像素区域附近,并且微分支在第一对角线方向上延伸。
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公开(公告)号:US20240258283A1
公开(公告)日:2024-08-01
申请号:US18481305
申请日:2023-10-05
Applicant: Samsung Display Co., LTD.
Inventor: Jong Duk ROH , Chan Young PARK , Kye Uk LEE , Nak Cho CHOI
IPC: H01L25/075 , H01L25/16 , H01L27/15 , H01L33/62
CPC classification number: H01L25/0753 , H01L25/167 , H01L27/156 , H01L33/62
Abstract: A display device comprises a substrate comprising a first surface, a second surface opposite to the first surface, a first chamfer surface extending from a side of the first surface, a second chamfer surface extending from a side of the second surface, and a side surface connecting the first chamfer surface to the second chamfer surface, a display area including a plurality of light emitting elements disposed on the first surface of the substrate, a non-display area surrounding the display area on the first surface of the substrate, an engraved pattern portion disposed at a corner portion of the non-display area and recessed from an upper surface of the non-display area, and a trench portion disposed at a plurality of edge portions of the non-display area to surround the display area and recessed toward the substate.
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