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公开(公告)号：US20210248971A1
公开(公告)日：2021-08-12
申请号：US17243085
申请日：2021-04-28
Applicant: Japan Display Inc.
Inventor： Takayuki NAKAO , Takehiro SHIMA
IPC: G09G3/36
Abstract: A display device is provided and includes first and second pixel electrodes in first direction; first and second signal lines in first direction configured to be supplied with first or second binary signals inverted relative to each other; first potential line in second direction crossing first direction configured to be supplied with first potential; second potential line extending in second direction and configured to be supplied with second potential; first switching circuit configured to couple first pixel electrode to first or second potential lines; and second switching circuit configured to couple second pixel electrode to first or second potential lines.
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公开(公告)号：US20200226996A1
公开(公告)日：2020-07-16
申请号：US16742500
申请日：2020-01-14
Applicant: Japan Display Inc.
Inventor： Takayuki NAKAO , Takehiro SHIMA
IPC: G09G3/36
Abstract: According to an aspect, a display device includes: two pixels having different areas; a first signal line extending in an arrangement direction of the two pixels and coupled to one of the two pixels; a second signal line extending in the arrangement direction and coupled to the other of the two pixels; and a scan line extending between the two pixels in an intersection direction intersecting the arrangement direction and coupled to the two pixels.
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公开(公告)号：US20200152159A1
公开(公告)日：2020-05-14
申请号：US16738537
申请日：2020-01-09
Applicant: Japan Display Inc.
Inventor： Masaya TAMAKI , Yutaka MITSUZAWA , Takayuki NAKAO , Yutaka OZAWA
Abstract: A display device includes: sub-pixels each including a memory block including memories; memory selection line groups each including memory selection lines electrically coupled to the memory blocks in the sub-pixels that belong to the corresponding row; a memory selection circuit configured to concurrently output memory selection signals to the memory selection line groups; a potential line; a conduction switch provided for at least one memory in the memory block on a one-to-one basis; and an operating-memory conduction circuit configured to output, to the conduction switch, an operation signal for determining whether to electrically couple or uncouple the potential line and the corresponding one memory. Each memory is capable of storing sub-pixel data therein when being coupled to the potential line. Each sub-pixel displays an image based on the sub-pixel data stored in one memory in the sub-pixel according to the memory selection line supplied with the memory selection signal.
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公开(公告)号：US20200152147A1
公开(公告)日：2020-05-14
申请号：US16744638
申请日：2020-01-16
Applicant: Japan Display Inc.
Inventor： Yutaka MITSUZAWA , Takayuki NAKAO , Yutaka OZAWA , Masaya TAMAKI
IPC: G09G3/36
Abstract: A display device is provided and includes sub-pixels each including a sub-pixel electrode, and a first and second memory; a clock signal output circuit configured to, based on a reference clock signal, output a plurality of clock signals having different frequencies; a selection circuit configured to select one of the clock signals as a selected clock signal; a memory selection circuit configured to select all of the first memories included in all the sub-pixels or all of the second memories included in all the sub-pixels in synchronization with the selected clock signal; a common electrode facing all of the sub-pixel electrodes; and a common-electrode driving circuit configured to provide a common potential to the common electrode, wherein the common potential is inverted in synchronization with the reference clock signal, wherein the sub-pixel electrode is driven based on sub-pixel data stored in the selected one of the memories to display an image.
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公开(公告)号：US20230176430A1
公开(公告)日：2023-06-08
申请号：US18073917
申请日：2022-12-02
Applicant: Japan Display Inc.
Inventor： Takayuki NAKAO , Takehiro SHIMA
IPC: G02F1/1343 , H01L27/12 , G02F1/1335 , G02F1/1362
CPC classification number: G02F1/134336 , H01L27/124 , G02F1/133553 , G02F1/136286 , G02F1/133514 , G02F1/136227
Abstract: A display device includes: an array substrate including reflective electrodes arrayed in a first direction and a second direction, light-transmitting conductive layers each overlapping at least part of one of the reflective electrodes when viewed in a third direction, and a signal line between two of the reflective electrodes adjacently disposed in the first direction and extending in the second direction; a counter substrate including a common electrode overlapping the reflective electrodes when viewed in the third direction and a color filter including a plurality of colors; and a backlight. The array substrate is disposed between the counter substrate and the backlight. The color filter is configured such that different colors are arranged in the first direction and each color extends in the second direction. Part of one of the light-transmitting conductive layers protrudes between the two reflective electrodes and overlaps the signal line when viewed in the third direction.
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Patent Agency Ranking
公开(公告)号：US20170124973A1
公开(公告)日：2017-05-04
申请号：US15333698
申请日：2016-10-25
Applicant: Japan Display Inc.
Inventor： Takayuki NAKAO , Takehiro SHIMA
CPC classification number: G09G3/3655 , G06Q30/0241 , G09G3/2096 , G09G3/3406 , G09G3/3607 , G09G3/3614 , G09G3/3648 , G09G5/39 , G09G2300/0452 , G09G2300/0857 , G09G2310/06 , G09G2310/063 , G09G2330/021 , G09G2370/16 , G09G2380/04
Abstract: According to one embodiment, a drive circuit for a display device includes a plurality of pixels. Each of the pixels includes a memory, and a display element driven based on output data of the memory. The drive circuit includes a storage control circuit for storing, in the memory, the data from a signal line, and a display control circuit which provides the display element with a display signal or a non-display signal based on the data stored in the memory. The drive circuit changes a display area from a first display state to a second display state. When the drive circuit sets the display area to the second display state, the drive circuit supplies a signal which does not depend on the image data to the display element.
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公开(公告)号：US20230176431A1
公开(公告)日：2023-06-08
申请号：US18071852
申请日：2022-11-30
Applicant: Japan Display Inc.
Inventor： Takayuki NAKAO , Takehiro SHIMA
IPC: G02F1/1362
CPC classification number: G02F1/136222 , G02F1/136286
Abstract: According to an aspect, a display device includes: an array substrate comprising reflective electrodes arrayed in a matrix having a row-column configuration in a first direction and a second direction and a light-transmitting conductive layer at least partially overlapping any one of the reflective electrodes when viewed in a third direction orthogonal to the first direction and the second direction; a counter substrate comprising a common electrode overlapping the reflective electrodes when viewed in the third direction and a color filter including a plurality of colors; and a backlight. The array substrate is disposed between the counter substrate and the backlight. Part of the light-transmitting conductive layer protrudes between two reflective electrodes adjacently disposed in the first direction among the reflective electrodes.
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公开(公告)号：US20190279587A1
公开(公告)日：2019-09-12
申请号：US16422097
申请日：2019-05-24
Applicant: JAPAN DISPLAY INC.
Inventor： Takayuki NAKAO , Takehiro SHIMA
Abstract: According to one embodiment, a drive circuit for a display device includes a plurality of pixels. Each of the pixels includes a memory, and a display element driven based on output data of the memory. The drive circuit includes a storage control circuit for storing, in the memory, the data from a signal line, and a display control circuit which provides the display element with a display signal or a non-display signal based on the data stored in the memory. The drive circuit changes a display area from a first display state to a second display state. When the drive circuit sets the display area to the second display state, the drive circuit supplies a signal which does not depend on the image data to the display element.
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公开(公告)号：US20190066634A1
公开(公告)日：2019-02-28
申请号：US16057934
申请日：2018-08-08
Applicant: Japan Display Inc.
Inventor： Masaya TAMAKI , Yutaka MITSUZAWA , Takayuki NAKAO , Yutaka OZAWA
Abstract: A display device includes: sub-pixels each including a memory block including memories; memory selection line groups each including memory selection lines electrically coupled to the memory blocks in the sub-pixels that belong to the corresponding row; a memory selection circuit configured to concurrently output memory selection signals to the memory selection line groups; a potential line; a conduction switch provided for at least one memory in the memory block on a one-to-one basis; and an operating-memory conduction circuit configured to output, to the conduction switch, an operation signal for determining whether to electrically couple or uncouple the potential line and the corresponding one memory. Each memory is capable of storing sub-pixel data therein when being coupled to the potential line. Each sub-pixel displays an image based on the sub-pixel data stored in one memory in the sub-pixel according to the memory selection line supplied with the memory selection signal.
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公开(公告)号：US20170352332A1
公开(公告)日：2017-12-07
申请号：US15611244
申请日：2017-06-01
Applicant: Japan Display Inc.
Inventor： Takayuki NAKAO
Abstract: According to one embodiment, a signal supply circuit used for a display device includes a plurality of subpixels each including a memory. The signal supply circuit includes a first mode. The first mode receives first video data in a unit of n bits corresponding to the subpixels from outside, and supplies digital data for the subpixels in a unit of m bits less than n bits to the subpixels based on the first video data.
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