公开(公告)号：US20210191468A1

公开(公告)日：2021-06-24

申请号：US17270574

申请日：2019-08-21

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Kazuhiko FUJITA

IPC: G06F1/16 ,  G09F9/30 ,  G02B1/14 ,  G06F3/041

Abstract: Damage to a flexible display can be prevented. A display device having improved mechanical strength can be provided. A display device (10) includes a display panel (11) and a protection cover (12). The display panel (11) includes a first portion having flexibility. The protection cover (12) has a light-transmitting property and flexibility and is provided to overlap with a display surface side of the display panel (11). The display device (10) has a function of being reversibly changed in shape to a first mode in which the display panel (11) and the protection cover (12) are each substantially flat and a second mode in which the first portion of the display panel (11) is curved such that the display surface side becomes a concave surface and part of the protection cover (12) is curved in the same direction as the first portion. In the second mode, there is a gap between the first portion and the protection cover.

公开(公告)号：US11018201B2

公开(公告)日：2021-05-25

申请号：US16509087

申请日：2019-07-11

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Tomoya Aoyama ,  Ryu Komatsu ,  Daiki Nakamura

IPC: H01L27/32 ,  G02F1/1335 ,  H01L51/52 ,  G02F1/1339

Abstract: A display device with improved viewing angle characteristics is provided. A display device with suppressed mixture of colors between adjacent pixels is provided. The display device includes a first coloring layer, a second coloring layer, and a structure body therebetween. The structure body has a portion closer to a display surface side than a bottom surface of the first coloring layer or a bottom surface of the second coloring layer.

公开(公告)号：US10719284B2

公开(公告)日：2020-07-21

申请号：US14936134

申请日：2015-11-09

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Yuichi Yanagisawa ,  Daiki Nakamura ,  Nozomu Sugisawa ,  Hisao Ikeda ,  Naoyuki Senda ,  Kensuke Yoshizumi

IPC: G06F3/14 ,  G06F1/16 ,  G09G3/20 ,  G06F3/044 ,  G09G3/00 ,  G06F3/147

Abstract: Provided is a display system or a display device that is suitable for increasing in size. The display system includes a first display panel, a second display panel, a detection means, and a compensation means. The first display panel includes a first display region. The second display panel includes a second display region. The first display region and the second display region include a first region where they overlap. The detection means has a function of detecting the size of the first region. The compensation means has a function of compensating an image displayed on the first display region in accordance with the change in the size of the first region.

公开(公告)号：US10555386B2

公开(公告)日：2020-02-04

申请号：US15958305

申请日：2018-04-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Nobuharu Ohsawa ,  Hisao Ikeda ,  Akihiro Kaita ,  Shunpei Yamazaki

IPC: H05B33/08 ,  H04N5/235 ,  H05B37/02 ,  H04N5/225 ,  G03B15/05

Abstract: To provide a light-emitting device whose amount of light can be adjusted, or the like. The amount of light emitted from the light-emitting device can be adjusted by controlling the magnitude of the constant current pulse by a control signal. Specifically, the light-emitting device includes a constant current supply configured to be supplied with a control signal and a control pulse signal and configured to supply a constant current pulse; a control device configured to supply the control signal; a driver circuit configured to supply the control pulse signal; and a light-emitting panel configured to be supplied with the constant current pulse. The control signal is a signal for controlling the magnitude of the constant current pulse. The light-emitting panel includes a light-emitting element. The current density of the light-emitting element is greater than or equal to 10 mA/cm2 and less than or equal to 1000 mA/cm2.

公开(公告)号：US10361392B2

公开(公告)日：2019-07-23

申请号：US14972657

申请日：2015-12-17

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Daiki Nakamura ,  Yusuke Nishido

IPC: H01L51/52 ,  B32B17/06 ,  C03C27/06 ,  H01L51/50 ,  C03C8/08 ,  C03C8/04 ,  C03C8/10 ,  H01L27/32

Abstract: A sealed structure which has high sealing capability and whose border can be slim is provided. The sealed structure includes a pair of substrates whose respective surfaces face each other with a space therebetween, and a glass layer which is in contact with the substrates, defines a space between the substrates, and has at least one corner portion and side portions in continuity with the corner portion. The width of the corner portion of the glass layer is smaller than or equal to that of the side portion of the same. The sealed structure may comprise a highly reliable light-emitting element including a layer containing a light-emitting organic compound provided between a pair of electrodes.

公开(公告)号：US10332859B2

公开(公告)日：2019-06-25

申请号：US15817497

申请日：2017-11-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Yusuke Nishido ,  Satoshi Seo ,  Toshiki Sasaki ,  Ryohei Yamaoka ,  Akihiro Kaita

IPC: H01L25/065 ,  H01L27/32

Abstract: A display panel includes a plurality of light-emitting elements. Light emitted from a first light-emitting element has a CIE 1931 chromaticity coordinate x of greater than 0.680 and less than or equal to 0.720 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.260 and less than or equal to 0.320. Light emitted from a second light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.130 and less than or equal to 0.250 and a CIE 1931 chromaticity coordinate y of greater than 0.710 and less than or equal to 0.810. Light emitted from a third light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.120 and less than or equal to 0.170 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.020 and less than 0.060.

公开(公告)号：US10147780B2

公开(公告)日：2018-12-04

申请号：US15290085

申请日：2016-10-11

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Kohei Yokoyama ,  Yasuhiro Jinbo ,  Toshiki Sasaki ,  Masataka Nakada ,  Naoto Goto ,  Takahiro Iguchi

IPC: H01L27/32 ,  H01L29/786 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1368 ,  H01L27/12

Abstract: A novel display device that is highly convenient with low power consumption is provided. The display device includes a display element including a liquid crystal layer, a display element including a light-emitting layer, and a pixel circuit. Electrodes of the display element including the liquid crystal layer and the display element including the light-emitting layer are electrically connected to the pixel circuit. The electrode of the display element including the liquid crystal layer includes a reflective film including an opening. The pixel circuit includes a transistor including a semiconductor film. The number of insulating films in a region overlapping with the opening is smaller than that of insulating films overlapping with the semiconductor film. In addition, the display element including the light-emitting layer includes two light-emitting elements. The number of optical elements overlapping with one light-emitting element is smaller than that of optical elements overlapping with the other light-emitting element.

公开(公告)号：US09961726B2

公开(公告)日：2018-05-01

申请号：US15275684

申请日：2016-09-26

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Nobuharu Ohsawa ,  Hisao Ikeda ,  Akihiro Kaita ,  Shunpei Yamazaki

IPC: H05B37/02 ,  H05B33/08 ,  H04N5/225 ,  G03B15/05 ,  H04N5/235

CPC classification number: H05B33/0815 ,  G03B15/05 ,  H04N5/2256 ,  H04N5/2351 ,  H04N5/2354 ,  H05B33/08 ,  H05B33/0803 ,  H05B33/0818 ,  H05B33/0845 ,  H05B33/0854 ,  H05B33/0896 ,  H05B37/0209 ,  H05B37/0218

Abstract: To provide a light-emitting device whose amount of light can be adjusted, or the like. The amount of light emitted from the light-emitting device can be adjusted by controlling the magnitude of the constant current pulse by a control signal. Specifically, the light-emitting device includes a constant current supply configured to be supplied with a control signal and a control pulse signal and configured to supply a constant current pulse; a control device configured to supply the control signal; a driver circuit configured to supply the control pulse signal; and a light-emitting panel configured to be supplied with the constant current pulse. The control signal is a signal for controlling the magnitude of the constant current pulse. The light-emitting panel includes a light-emitting element. The current density of the light-emitting element is greater than or equal to 10 mA/cm2 and less than or equal to 1000 mA/cm2.

公开(公告)号：US20180069025A1

公开(公告)日：2018-03-08

申请号：US15702094

申请日：2017-09-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Kensuke Yoshizumi

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L27/15 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/322 ,  H01L27/3223 ,  H01L27/323 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3276 ,  H01L27/3293 ,  H01L33/0041 ,  H01L33/62 ,  H01L51/0097 ,  H01L51/525 ,  Y02E10/549 ,  Y02P70/521

Abstract: A display device includes overlapping two display panels. The display panel on the upper side includes a first display region and a region that transmits visible light. The display panel on the lower side includes a second display region and a region that blocks visible light. The second display region overlaps with the region that transmits visible light. The region that blocks visible light overlaps with the first display region. The display panel on the lower side includes a third display region between the second display region and the region that blocks visible light. The gate signal and the source signal supplied to a first pixel in the third display region are the same as the gate signal and the source signal supplied to a second pixel in the second display region. The second pixel is closer to the first pixel than any other pixels included in the second display region.

公开(公告)号：US09859300B2

公开(公告)日：2018-01-02

申请号：US14700652

申请日：2015-04-30

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daiki Nakamura ,  Hisao Ikeda ,  Kouhei Toyotaka

IPC: H01L27/12 ,  H01L27/32 ,  H01L51/52

CPC classification number: H01L27/12 ,  H01L27/1255 ,  H01L27/322 ,  H01L27/323 ,  H01L27/3246 ,  H01L27/3251 ,  H01L27/3262 ,  H01L27/3279 ,  H01L51/5218 ,  H01L51/5228 ,  H01L51/5234 ,  H01L51/524 ,  H01L51/5284 ,  H01L2251/301 ,  H01L2251/303 ,  H01L2251/5315 ,  H01L2251/5338

Abstract: To provide a light-emitting device or an input/output device with little unevenness in display luminance or high reliability and to provide an input/output device with high detection sensitivity, a light-emitting device is configured to include a first substrate, a light-emitting element over the first substrate, a first conductive layer over the light-emitting element, a first insulating layer over the first conductive layer, a second conductive layer over the first insulating layer, and a second substrate over the second conductive layer. The light-emitting element includes a first electrode over the first substrate, a layer containing a light-emitting organic compound over the first electrode, and a second electrode over the layer containing a light-emitting organic compound. The second electrode is electrically connected to the first and second conductive layers. The first conductive layer and the second electrode transmit light emitted from the light-emitting element. The resistance of the second conductive layer is lower than that of the second electrode.