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公开(公告)号：US20240371889A1
公开(公告)日：2024-11-07
申请号：US18591298
申请日：2024-02-29
Applicant: Samsung Display Co., LTD.
Inventor： Sang Hyung LIM
Abstract: A display device includes a substrate having a lower surface on which a groove is formed, a conductive pattern disposed in the groove of the substrate, a bridge pattern disposed on the substrate and electrically connected to the conductive pattern through a contact hole passing through the substrate, a first insulating layer disposed on the substrate and covering the bridge pattern, a transistor disposed on the first insulating layer, a second insulating layer disposed on the substrate and covering the transistor, and a light emitting element disposed on the second insulating layer. The bridge pattern is electrically connected to the transistor or the light emitting element. A first valley is further formed on the lower surface of the substrate, the first valley and the groove being different from each other, and a conductive pattern is not disposed in the first valley.
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公开(公告)号：US20240371330A1
公开(公告)日：2024-11-07
申请号：US18773399
申请日：2024-07-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sung Hwan KIM , Won Kyu KWAK , Jung Hoon SHIM , Yun Kyeong IN
IPC: G09G3/3266
Abstract: A display device includes: a display unit including a first display area, and a second display area; a scan driver configured to provide a scan signal to each scan line connected to the plurality of first pixels and the plurality of second pixels; and an emission controller configured to provide an emission control signal to each emission control line connected to the plurality of first pixels and the plurality of second pixels, wherein the plurality of first pixels have a first density in the first display area, the plurality of second pixels have a second density less than the first density in the second display area, and the plurality of second pixels include at least one sub pixel including one boosting capacitor.
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公开(公告)号：US20240371312A1
公开(公告)日：2024-11-07
申请号：US18418890
申请日：2024-01-22
Applicant: Samsung Display Co., LTD.
Inventor： TAEHOON KIM , SANGAN KWON , SOON-DONG KIM , GEUNJEONG PARK , CHANGNOH YOON , JAEKEUN LIM
Abstract: A display panel driving circuit includes a scan driving circuit including a scan stage and a timing controller. The scan stage includes a first circuit connected to a first input node of receiving a first clock signal, a second circuit connected to a second input node of receiving a second clock signal, a third circuit connected to a third input node of receiving a carry signal, the first circuit, and the second circuit and connected to a first control node and a second control node, a pull-up transistor electrically connected to the first input node and an output node of outputting a scan signal and turned on/off by the first control node, and a pull-down transistor electrically connected to the output node and a low-level voltage line and turned on/off by the second control node.
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公开(公告)号：US20240371204A1
公开(公告)日：2024-11-07
申请号：US18582477
申请日：2024-02-20
Applicant: Samsung Display Co., LTD.
Inventor： Chul KIM
IPC: G06V40/40 , A61B5/024 , G06V40/13 , G09G3/3233
Abstract: A display device includes: a plurality of pixels in which at least a first portion of the pixels positioned in a selected area are configured to emit light in a sensing pattern; and a plurality of light sensors configured to generate sensing signals corresponding to a received light amount, wherein the selected area comprises a first area and a second area, and wherein in a first mode, a second portion of pixels positioned in the first area are configured to emit light in the sensing pattern, and to generate first sensing information using sensing signals generated by light sensors positioned in the second area, which does not overlap the first area.
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公开(公告)号：US20240370122A1
公开(公告)日：2024-11-07
申请号：US18532001
申请日：2023-12-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul KIM
Abstract: A display device including: display pixels arranged in a display area of a display panel; light sensing pixels arranged in the display area; a display scan driver configured to drive the display pixels to emit light; a light sensing scan driver configured to drive the light sensing pixels to sense light; and a main driving circuit configured to measure a plurality of biometric information using light sensing signals received from touch positions of different body parts, wherein the main driving circuit displays an application program screen to guide a detection process of biometric signals with respect to the different body parts, and selects at least one biometric information among the plurality of biometric information that was measured by analyzing the biometric signals as a final measurement result according to a preset condition and displays the final measurement result on the application program screen.
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Patent Agency Ranking
公开(公告)号：US20240367433A1
公开(公告)日：2024-11-07
申请号：US18396846
申请日：2023-12-27
Applicant: Samsung Display Co., LTD.
Inventor： YU KONTA , LAEHO KIM , Jae Bum PAHK , MINWOO LEE , HYEONSEON JEONG , Jai Hyuk CHOI
IPC: B41J2/045
Abstract: An ink droplet volume measurement apparatus including an oblique illumination configured to emit light at a first angle to ink droplets deposited onto a substrate, an imaging device configured to obtain planar images of the ink droplets and a shadow of the ink droplets generated by the emitted light and a calculation device configured to calculate a volume of the ink droplets deposited onto the substrate based on the planar images of the ink droplets and the shadow of the ink droplets.
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公开(公告)号：US12137600B2
公开(公告)日：2024-11-05
申请号：US17511964
申请日：2021-10-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongjin Kang , Changhee Lee
Abstract: A display apparatus includes: a first unit pixel including a plurality of light-emitting diodes, and a second unit pixel including a plurality of light-emitting diodes and a photodetector diode. Each of the plurality of light-emitting diodes includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, and the photodetector diode includes a third electrode, a fourth electrode facing the third electrode, an active layer disposed between the third electrode and the fourth electrode, and a color filter layer disposed between the fourth electrode and the active layer.
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668.发明授权公开(公告)号：US12137577B2
公开(公告)日：2024-11-05
申请号：US17501995
申请日：2021-10-14
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeho You , Hyun Jin Cho , Beomshik Kim , Youngchan Kim
IPC: H10K50/858
Abstract: A display device includes a substrate, a first set of light emitting structures, a second set of light emitting structures, a diffraction layer, and a refraction pattern. The substrate includes a first region and a second region. The first set of light emitting structures overlaps the first region. The second set of light emitting structures overlaps the second region. The diffraction layer overlaps the first region without overlapping the second region. The refraction pattern overlaps the diffraction layer. The diffraction layer includes first-refractive-index members and second-refractive-index members that are alternately disposed. A refractive index of each of the first-refractive-index members is lower than a refractive index of each of the second-refractive-index members.
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公开(公告)号：US12136391B2
公开(公告)日：2024-11-05
申请号：US17982931
申请日：2022-11-08
Applicant: Samsung Display Co., Ltd.
Inventor： Keunwoo Kim
IPC: G09G3/3233 , G09G3/30 , G09G3/32 , G09G3/3258
Abstract: A pixel circuit includes a light emitting element, a driving transistor which applies a driving current to the light emitting element, a write transistor which receives a write gate signal and a data voltage and is connected to a first electrode of the driving transistor, a first compensation transistor which receives a compensation gate signal and is connected to a second electrode of the driving transistor and a first electrode of a second compensation transistor, the second compensation transistor which receives the compensation gate signal, and is connected to the second electrode of the first compensation transistor and a control electrode of the driving transistor, a storage capacitor which receives a first power voltage and is connected to the control electrode of the driving transistor, and a node control transistor which receives the write gate signal and is connected to the second electrode of the first compensation transistor.
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公开(公告)号：US12136388B2
公开(公告)日：2024-11-05
申请号：US18446432
申请日：2023-08-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jeongmin Sung , Woo-Chul Kim
IPC: G09G3/3208 , G09G5/00 , H10K59/00
Abstract: An organic light emitting display device comprising: a source device configured to output image data; and a sink device configured to perform a displaying operation based on the image data, wherein the source device is configured to change a frame rate of an image frame composing the image data while the displaying operation is performed, wherein the sink device is configured to change a frame rate of a panel driving frame for the displaying operation as the frame rate of the image frame is changed, and wherein the source device is configured to change the frame rate of the image frame while satisfying a condition in which an emission duty ratio of the panel driving frame is not changed.
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