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公开(公告)号：US10571755B2
公开(公告)日：2020-02-25
申请号：US15813868
申请日：2017-11-15
Applicant: Japan Display Inc.
Inventor： Masato Nakamura , Daichi Hosokawa , Yuki Kuramoto , Hideyuki Takahashi
IPC: G02F1/1343 , G02F1/1335 , G02F1/1362 , G02F1/1333 , G02F1/1337
Abstract: According to one embodiment, a liquid crystal display device includes a first area, second area, liquid crystal layer, and a plurality of pixels. Each subpixel includes an opening area including a first opening area and a second opening area. The pixels include a first pixel positioned in the first area and a second pixel positioned over a boundary of the first area and the second area. The opening area of the second pixel is smaller than the opening area of the first pixel when opening areas of subpixels of same color are compared. An each imaginary line showing the boundary of the first opening area and the second opening area is a same straight line.
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公开(公告)号：US09285911B2
公开(公告)日：2016-03-15
申请号：US14152143
申请日：2014-01-10
Applicant: Japan Display Inc.
Inventor： Keiichi Saito , Hideyuki Takahashi , Takashi Nakamura , Satoru Tomita , Masahiro Tada , Hirotaka Hayashi , Takashi Okada , Yoshiro Aoki , Takanori Tsunashima
Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.
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公开(公告)号：US12200954B2
公开(公告)日：2025-01-14
申请号：US17585759
申请日：2022-01-27
Applicant: Japan Display Inc.
Inventor： Hideyuki Takahashi
IPC: H10K50/813 , H10K50/824 , H10K59/12 , H10K59/122 , H10K59/80 , H10K71/00
Abstract: According to one embodiment, a display device includes a base material, a first insulating layer disposed on the substrate, a first electrode disposed on the first insulating layer, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, a second insulating layer disposed on the first insulating layer and including an opening portion overlapping with the second electrode, and a third electrode covering the second electrode and the second insulating layer. The first electrode, the organic layer, and the second electrode are separated for each pixel.
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公开(公告)号：US11630529B2
公开(公告)日：2023-04-18
申请号：US17656918
申请日：2022-03-29
Applicant: Japan Display Inc.
Inventor： Hiroshi Tabatake , Hideyuki Takahashi
Abstract: According to one embodiment, a display device includes a base, a display unit containing pixels, a power supply circuit, a touch controller and a switching circuit disposed between the display unit, the power supply circuit and the touch controller. The pixels each includes a pixel circuit and a display element including a lower electrode connected to the pixel circuit, an upper electrode disposed to oppose the lower electrode and an organic layer including a light-emitting layer disposed between the lower electrode and the upper electrode. The upper electrode is connected to the switching circuit, and the switching circuit selectively switches between connecting the upper electrode to the power supply circuit and connecting the upper electrode to the touch controller.
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公开(公告)号：US09335856B2
公开(公告)日：2016-05-10
申请号：US14152143
申请日：2014-01-10
Applicant: Japan Display Inc.
Inventor： Keiichi Saito , Hideyuki Takahashi , Takashi Nakamura , Satoru Tomita , Masahiro Tada , Hirotaka Hayashi , Takashi Okada , Yoshiro Aoki , Takanori Tsunashima
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.
Abstract translation: 根据一个实施例，显示装置包括在显示区域中以矩阵状态分配的显示像素，图像读取装置，其通过接近或与显示区域接触的电介质材料来检测电容耦合的强度，以及 控制部分，其控制图像读取装置的每个晶体管。 图像读取装置包括在检测电极和电介质材料之间形成电容的检测电极，预充电栅极线，耦合脉冲线，读出栅极线，预充电线和读出线。 这些线路提供驱动图像读取装置的信号。 图像读取装置还包括预充电晶体管，放大晶体管，读出晶体管，补偿晶体管和电源开关晶体管。
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Patent Agency Ranking
公开(公告)号：US11966528B2
公开(公告)日：2024-04-23
申请号：US18184730
申请日：2023-03-16
Applicant: Japan Display Inc.
Inventor： Hiroshi Tabatake , Hideyuki Takahashi
IPC: G06F3/041 , H10K59/131 , H10K59/40
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/04166 , H10K59/1315 , H10K59/40
Abstract: According to one embodiment, a display device includes a base, a display unit containing pixels, a power supply circuit, a touch controller and a switching circuit disposed between the display unit, the power supply circuit and the touch controller. The pixels each includes a pixel circuit and a display element including a lower electrode connected to the pixel circuit, an upper electrode disposed to oppose the lower electrode and an organic layer including a light-emitting layer disposed between the lower electrode and the upper electrode. The upper electrode is connected to the switching circuit, and the switching circuit selectively switches between connecting the upper electrode to the power supply circuit and connecting the upper electrode to the touch controller.
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公开(公告)号：US11874993B2
公开(公告)日：2024-01-16
申请号：US18123383
申请日：2023-03-20
Applicant: Japan Display Inc.
Inventor： Hideyuki Takahashi , Hiroshi Tabatake , Sho Yanagisawa
IPC: G06F3/041 , H10K59/80 , H10K59/131 , G06F3/044
CPC classification number: G06F3/04164 , G06F3/0412 , H10K59/131 , H10K59/873 , G06F3/0446
Abstract: Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.
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公开(公告)号：US11860487B2
公开(公告)日：2024-01-02
申请号：US17888885
申请日：2022-08-16
Applicant: Japan Display Inc.
Inventor： Masato Nakamura , Daichi Hosokawa , Yuki Kuramoto , Hideyuki Takahashi
IPC: G02F1/1343 , G02F1/1335 , G02F1/1362 , G02F1/1337 , G02F1/1333
CPC classification number: G02F1/134336 , G02F1/13439 , G02F1/133512 , G02F1/134309 , G02F1/136286 , G02F1/1362 , G02F1/133388 , G02F1/133707 , G02F1/134345 , G02F2201/52 , G02F2201/56
Abstract: According to one embodiment, a liquid crystal display device includes a first area, second area, liquid crystal layer, and a plurality of pixels. Each subpixel includes an opening area including a first opening area and a second opening area. The pixels include a first pixel positioned in the first area and a second pixel positioned over a boundary of the first area and the second area. The opening area of the second pixel is smaller than the opening area of the first pixel when opening areas of subpixels of same color are compared. An each imaginary line showing the boundary of the first opening area and the second opening area is a same straight line.
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公开(公告)号：US10854157B2
公开(公告)日：2020-12-01
申请号：US16419114
申请日：2019-05-22
Applicant: JAPAN DISPLAY INC.
Inventor： Hideyuki Takahashi
IPC: G09G3/36
Abstract: According to one embodiment, a liquid crystal display device includes pixel electrodes arranged in matrix, gate lines, source lines, pixel switches, gate drivers allocated at both ends of a display region, a source driver, image signal transmit lines arranged along the columns in which the pixel electrodes are arranged, each image signal transmit line supplying an image signal to each source line, switches arranged along the row direction, each switch configured to switch a connection between the source line and the image signal transmit line, and control lines configured to output source control signals to switch the switches, each control line outputting a source control signal to switch a plurality of the switches at the same time, wherein each source control signal is input to each control line at a position substantially the center of the gate line in the row direction.
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公开(公告)号：US09746729B2
公开(公告)日：2017-08-29
申请号：US14834962
申请日：2015-08-25
Applicant: Japan Display Inc.
Inventor： Hideyuki Takahashi , Masakatsu Kitani , Seiichi Sato , Masato Nakamura , Koji Yamamoto
IPC: G02F1/1335 , G02F1/1362 , G09G3/36 , G02F1/1343
CPC classification number: G02F1/136227 , G02F1/133514 , G02F1/134363 , G02F1/136286 , G02F2201/52 , G09G3/36 , G09G3/3607 , G09G3/3614 , G09G3/3655
Abstract: According to one embodiment, there is a third column of third color (Blue) pixels and fourth (White) color pixels arranged alternately. The first set of a first (Red), a second (Green) and a third (Blue) color pixels along the first direction, and the second set of a first (Red), a second (Green) and a fourth (White) color pixels along the first direction are each defined as a composite color unit pixel. In the composite color unit pixels located at the first or second one along the first direction from composite color unit pixels to which color pixels of the third columns belongs, a connection pattern is designed that the pixels of the third columns are connected to the odd-numbered gate lines and the even-numbered gate lines, alternately, along the first direction.
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