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公开(公告)号：US20240361637A1
公开(公告)日：2024-10-31
申请号：US18614882
申请日：2024-03-25
发明人： Atsuyuki TANAKA
IPC分类号： G02F1/1335
CPC分类号： G02F1/133614
摘要： A light source includes a first wavelength conversion portion including a first green fluorescent material to wavelength-convert light emitted by a first light-emitting element to green light in a green wavelength region and a first red fluorescent material to wavelength-convert the light emitted by the first light-emitting element to red light in a red wavelength region, and a second wavelength conversion portion including a second green fluorescent material to wavelength-convert light emitted by the second light-emitting element to the green light and a second red fluorescent material to wavelength-convert the light emitted by the second light-emitting element to the red light. The first wavelength conversion portion and the second wavelength conversion portion differ from each other in either one or both of a quantity and a composition of the first green fluorescent material, the first red fluorescent material, the second green fluorescent material, and the second red fluorescent material.
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公开(公告)号：US20240357882A1
公开(公告)日：2024-10-24
申请号：US18289315
申请日：2021-06-24
发明人： Yukio SHIMIZU , Shinzoh MURAKAMI
IPC分类号： H10K59/131 , H10K59/80 , H10K77/10 , H10K102/00
CPC分类号： H10K59/131 , H10K59/8731 , H10K77/111 , H10K2102/311
摘要： In a chip mounting portion, a plurality of chip terminals arranged in a row and a plurality of terminal wiring lines corresponding to the plurality of chip terminals, the plurality of terminal wiring lines extending parallel to one another and being electrically connected to the plurality of chip terminals, respectively, are provided. For at least one chip terminal of the plurality of chip terminals, a chip support body is provided at each terminal wiring line with the chip support body overlapping the terminal wiring line corresponding to the at least one chip terminal or an extension line of the terminal wiring line.
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公开(公告)号：US20240355302A1
公开(公告)日：2024-10-24
申请号：US18604650
申请日：2024-03-14
IPC分类号： G09G3/36 , G09G3/3225
CPC分类号： G09G3/3614 , G09G3/3225 , G09G3/3648 , G09G2300/0426 , G09G2310/08
摘要： A display device includes: a pixel electrode; a drive circuit configured to charge the pixel electrode in accordance with an image signal; and a control unit configured to control a timing when the drive circuit charges the pixel electrode, wherein, when a cycle in which the image signal is changed is changed from a first cycle to a second cycle that is longer than the first cycle, the control unit causes the drive circuit to charge the pixel electrode in accordance with an identical image signal more than once in one cycle in which the image signal is changed.
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公开(公告)号：US20240355287A1
公开(公告)日：2024-10-24
申请号：US18683526
申请日：2021-09-30
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/06 , G09G2320/0247 , G09G2330/02
摘要： When a current-driven display device with an internal compensation method operates in a pause driving mode, a non-light emission period according to a light emission duty is provided in both a refresh frame period and a non-refresh frame period, and an on-bias applying period for applying on-bias to a drive transistor in a pixel circuit is provided in both the non-light emission periods. In the non-light emission period in the refresh frame period, an on-bias applying period is provided in a period from when data writing with threshold compensation is performed to when the light emission period starts. Thus, even when the light emission duty is low, the difference in the stress state of the drive transistor between the refresh frame period and the non-refresh frame period is reduced.
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5.发明公开公开(公告)号：US20240353952A1
公开(公告)日：2024-10-24
申请号：US18612162
申请日：2024-03-21
发明人： Takatoshi KIRA , Masayuki HATA
CPC分类号： G06F3/04166 , G06F3/045
摘要： A touch panel built-in display device comprises a touch coordinate detection circuit. The touch coordinate detection circuit, as to each detection electrode pair, determines presence or absence of a touch by a pointer at a coordinate in a second direction where the detection electrode pair is positioned, based on a total value or a difference value of a detection values of the detection electrode pair, and when determining that a touch is present, calculates a coordinate in the first direction of the touch by the pointer, based on a ratio of a detection value of a first detection electrode of the detection electrode pair at which a touch is determined to be present with respect to the total value of the detection electrode pair.
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公开(公告)号：US12118164B2
公开(公告)日：2024-10-15
申请号：US18128214
申请日：2023-03-29
发明人： Takenori Maruyama , Kazutoshi Kida , Shinji Yamagishi , Takuma Yamamoto , Yasuhiro Sugita , Hiroshi Fukushima
CPC分类号： G06F3/0418 , G06F3/0445 , G06F3/0446 , G06F2203/04105 , G06F2203/04107
摘要： A touch panel system includes a capacitive touch panel and a controller that controls the touch panel. The touch panel includes a plurality of drive electrodes and a plurality of floating island electrodes located on a first substrate and a plurality of pressure detection electrodes and a plurality of position detection electrodes located on a second substrate. The controller provides a drive signal to the drive electrodes and corrects a pressure detection signal obtained from each of the pressure detection electrodes by using a position detection signal obtained from the position detection electrode.
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公开(公告)号：US12117705B2
公开(公告)日：2024-10-15
申请号：US18378090
申请日：2023-10-09
发明人： Masakatsu Tominaga
IPC分类号： G02F1/1362 , G02F1/1343 , G09G3/36 , H01L27/12
CPC分类号： G02F1/13624 , G02F1/134336 , G02F1/134372 , G02F1/136213 , G02F1/136295 , G09G3/3648 , H01L27/124 , G02F2201/121
摘要： A liquid crystal display apparatus includes a TFT substrate including first and second gate bus lines, source bus lines, and pixels and a liquid crystal layer. The pixel includes a pixel electrode, a common electrode, an auxiliary electrode, and first to third TFTs. The gates of the first and second TFTs are connected to one of the first and second gate bus lines, and the drains are connected to the pixel electrode and the auxiliary electrode, respectively. The gate of the third TFT is connected to the other of the first and second gate bus lines, and the source and drain of the third TFT are connected to the pixel electrode and the auxiliary electrode, respectively. Gate signals are applied to the first and second gate bus lines so that the TFTs connected to the first and second gate bus lines are turned on at different points in time.
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公开(公告)号：US12117679B2
公开(公告)日：2024-10-15
申请号：US18097171
申请日：2023-01-13
发明人： Koji Murata , Hiroshi Tsuchiya , Shinpei Higashida , Takahiro Sasaki , Takashi Satoh , Shinji Shimada
IPC分类号： G02F1/13 , F21V8/00 , G02F1/1335 , G02F1/1343 , G02F1/1362 , G02F1/137
CPC分类号： G02F1/1323 , G02B6/0038 , G02F1/133512 , G02F1/133514 , G02F1/134336 , G02F1/134345 , G02F1/13439 , G02F1/136286 , G02F1/137 , G02B2207/123
摘要： Provided is a liquid crystal display device that can switch between the privacy mode and the public mode and achieve a high contrast ratio even during display in the privacy mode. The liquid crystal display panel includes: a liquid crystal panel; and a control circuit. The active matrix substrate sequentially includes a first substrate, a first electrode, a first insulating layer, and second electrodes each including a first linear electrode. The color filter substrate includes a second substrate, a black matrix, a color filter layer, a third electrode, and a fourth electrode which is disposed between the black matrix and the third electrode and to which constant voltage is applied. The third electrode includes second linear electrodes and overlaps a portion of the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.
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公开(公告)号：US20240339440A1
公开(公告)日：2024-10-10
申请号：US18603263
申请日：2024-03-13
发明人： Kenya ITO , Yoshiyuki HARUMOTO
IPC分类号： H01L25/075 , H01L33/58
CPC分类号： H01L25/0753 , H01L33/58 , H01L2933/0058
摘要： Provided is a method of producing a micro-LED panel that can produce a micro-LED panel with excellent display quality by reducing misalignment of micro-LED chips and can achieve an increased yield. The method of producing a micro-LED panel includes: producing a micro-LED chip including a micro-LED, a first contact electrode, and a light blocking component; producing an array substrate including a switching element, a second contact electrode, and an insulating film; and placing the micro-LED chip on the array substrate. The light blocking component includes a bump with an inclined surface. The insulating film includes a dent with an inclined surface. The placing of the micro-LED chip includes electrically connecting the first contact electrode to the second contact electrode by making the bump of the light blocking component opposite to the dent of the insulating film.
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公开(公告)号：US12112004B2
公开(公告)日：2024-10-08
申请号：US17972490
申请日：2022-10-24
发明人： Yohsuke Fujikawa
IPC分类号： G06F3/041 , G02F1/1333 , G02F1/1362 , G02F1/1368 , G06F3/044
CPC分类号： G06F3/0443 , G02F1/136204 , G02F1/136286 , G02F1/1368
摘要： An active matrix substrate includes a touch electrode disposed in a pixel region, a frame touch electrode disposed in a frame region, and a dummy array segment disposed in the frame region. The frame region includes a first dummy region, provided in a position adjacent to the pixel region, where the frame touch electrode is disposed and a second dummy region provided in a position opposite to the pixel region across the first dummy region. In the second dummy region, the frame touch electrode is not disposed, but the dummy array segment is disposed.
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