公开(公告)号：US20220057873A1

公开(公告)日：2022-02-24

申请号：US17415828

申请日：2019-12-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daisuke KUBOTA ,  Ryo HATSUMI ,  Taisuke KAMADA

IPC: G06F3/044 ,  G06F3/042 ,  G02B6/42

Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal. The first light includes visible light, and the second light includes infrared light.

公开(公告)号：US20220029121A1

公开(公告)日：2022-01-27

申请号：US17414058

申请日：2019-12-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Daisuke KUBOTA ,  Nobuharu OHSAWA ,  Takeyoshi WATABE ,  Taisuke KAMADA

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/28

Abstract: A display apparatus having a function of emitting visible light and infrared light and a light detection function is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, and a light-receiving device in a display portion. The first light-emitting device emits both visible light and infrared light and the second light-emitting device emits visible light. The light-receiving device has a function of absorbing at least part of visible light and infrared light. The first light-emitting device includes a first pixel electrode, a first light-emitting layer, a second light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a third light-emitting layer, and the common electrode. The light-receiving device includes a third pixel electrode, an active layer, and the common electrode. The first light-emitting layer includes a light-emitting material emitting infrared light. The second light-emitting layer and the third light-emitting layer include light-emitting materials emitting visible light with different wavelengths. The active layer includes an organic compound.

公开(公告)号：US20210181586A1

公开(公告)日：2021-06-17

申请号：US17095802

申请日：2020-11-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Tetsuji ISHITANI ,  Daisuke KUBOTA

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

Abstract: A liquid crystal display device is provided, which includes a thin film transistor including an oxide semiconductor layer, a first electrode layer, a second electrode layer having an opening, a light-transmitting chromatic-color resin layer between the thin film transistor and the second electrode layer, and a liquid crystal layer. One of the first electrode layer and the second electrode layer is a pixel electrode layer which is electrically connected to the thin film transistor, and the other of the first electrode layer and the second electrode layer is a common electrode layer. The light-transmitting chromatic-color resin layer is overlapped with the pixel electrode layer and the oxide semiconductor layer of the thin film transistor.

公开(公告)号：US20200295057A1

公开(公告)日：2020-09-17

申请号：US16884241

申请日：2020-05-27

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Yasuharu HOSAKA ,  Satoru IDOJIRI ,  Kenichi OKAZAKI ,  Hiroki ADACHI ,  Daisuke KUBOTA

IPC: H01L27/12 ,  H01L21/683 ,  H01L29/66 ,  H01L29/786

Abstract: A peeling method at low cost with high mass productivity is provided. A resin layer having a thickness greater than or equal to 0.1 μm and less than or equal to 3 μm is formed over a formation substrate using a photosensitive and thermosetting material, a transistor including an oxide semiconductor in a channel formation region is formed over the resin layer, the resin layer is irradiated with light using a linear laser device, and the transistor and the formation substrate are separated from each other. A first region and a second region which is thinner than the first region or an opening can be formed in the resin layer. In the case of forming a conductive layer functioning as an external connection terminal or the like to overlap with the second region or the opening of the resin layer, the conductive layer is exposed.

公开(公告)号：US20170365648A1

公开(公告)日：2017-12-21

申请号：US15625000

申请日：2017-06-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Daisuke KUBOTA ,  Yusuke KUBOTA

IPC: H01L27/32 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1335 ,  H01L29/786 ,  G02F1/1333 ,  H01L27/12

CPC classification number: H01L27/3232 ,  G02F1/133553 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133354 ,  G02F2001/133565 ,  G02F2001/13685 ,  G02F2201/44 ,  G02F2201/52 ,  G02F2203/02 ,  H01L27/1225 ,  H01L27/3213 ,  H01L27/3262 ,  H01L27/3267 ,  H01L29/7869 ,  H01L2227/323

Abstract: A display device with high visibility regardless of the ambient brightness is provided. The display device includes a first display element, a second display element, a first transistor, and a second transistor. The first display element has a function of reflecting visible light. The second display element has a function of emitting visible light. The first transistor has a function of controlling the driving of the first display element. The second transistor has a function of controlling the driving of the second display element. The first transistor is positioned closer to a display surface side of the display device than the first display element is. The first display element is positioned closer to the display surface side of the display device than the second display element and the second transistor are.

公开(公告)号：US20170330903A1

公开(公告)日：2017-11-16

申请号：US15591156

申请日：2017-05-10

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Akihiro CHIDA ,  Tatsuya SAKUISHI ,  Daiki NAKAMURA ,  Tomoya AOYAMA ,  Kohei YOKOYAMA ,  Daisuke KUBOTA

IPC: H01L27/12 ,  H01L27/32

CPC classification number: H01L27/1266 ,  H01L27/124 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78648 ,  H01L29/7869 ,  H01L51/0021 ,  H01L51/003 ,  H01L2227/323 ,  H01L2251/5338

Abstract: A method for manufacturing a display device is provided. The method includes a step of forming a first layer over a first substrate, a terminal electrode over the first layer, a display element over the first layer, and a peeling layer overlapping with the terminal electrode, a step of forming a second layer over a second substrate, a step of attaching the first substrate to the second substrate with a bonding layer therebetween, a step of separating the first substrate from the first layer, a step of attaching a third substrate to the first layer, a step of separating the second substrate from the second layer together with part of the bonding layer, and a step of attaching a fourth substrate to the second layer. At least one of the first layer and the second layer includes an organic film.

公开(公告)号：US20170301299A1

公开(公告)日：2017-10-19

申请号：US15483048

申请日：2017-04-10

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daisuke KUBOTA ,  Yuichi YANAGISAWA

IPC: G09G3/36 ,  G09G3/00

CPC classification number: G09G3/3607 ,  G06F3/0412 ,  G06F3/0443 ,  G06F3/0446 ,  G06F2203/04112 ,  G09G2320/0242 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2320/0686 ,  G09G2330/021 ,  G09G2340/06

Abstract: A display device includes a display panel and a correction circuit. A pixel of the display panel includes a first display element supplied with a first gray level signal and a second display element supplied with a second gray level signal. The correction circuit has a function of determining a first gray level on the basis of a first characteristic curve, and a function of generating and supplying the first gray level signal so that the first gray level is displayed by the first display element. The correction circuit has a function of determining a second gray level on the basis of a second characteristic curve, and a function of generating and supplying the second gray level signal so that the second gray level is displayed by the second display element.

公开(公告)号：US20170294462A1

公开(公告)日：2017-10-12

申请号：US15473962

申请日：2017-03-30

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Yasuharu HOSAKA ,  Satoru IDOJIRI ,  Kenichi OKAZAKI ,  Hiroki ADACHI ,  Daisuke KUBOTA

IPC: H01L27/12 ,  H01L21/683 ,  H01L29/786 ,  H01L29/66

Abstract: A peeling method at low cost with high mass productivity is provided. A resin layer having a thickness greater than or equal to 0.1 μm and less than or equal to 3 μm is formed over a formation substrate using a photosensitive and thermosetting material, a transistor including an oxide semiconductor in a channel formation region is formed over the resin layer, the resin layer is irradiated with light using a linear laser device, and the transistor and the formation substrate are separated from each other. A first region and a second region which is thinner than the first region or an opening can be formed in the resin layer. In the case of forming a conductive layer functioning as an external connection terminal or the like to overlap with the second region or the opening of the resin layer, the conductive layer is exposed.

公开(公告)号：US20170285815A1

公开(公告)日：2017-10-05

申请号：US15469749

申请日：2017-03-27

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Daisuke KUBOTA ,  Masaru NAKANO ,  Yoshiharu HIRAKATA

IPC: G06F3/041 ,  G02F1/1335 ,  G02F1/1333 ,  G09G3/36 ,  G09G3/34

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G02F1/133528 ,  G02F1/133553 ,  G06F3/041 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04111 ,  G09G3/3233 ,  G09G3/3406 ,  G09G3/36 ,  G09G3/3648 ,  G09G2300/046 ,  G09G2300/0842 ,  G09G2354/00

Abstract: A novel display panel that is highly convenient or highly reliable is provided. In addition, a novel input/output device that is highly convenient or highly reliable is provided. Furthermore, a novel data processor that is highly convenient or highly reliable is provided. A structure including a pixel and a functional film in which the functional film includes a region overlapping with the pixel, the pixel includes a first display element and a second display element, the functional film includes a first region and a second region, the first region includes a region overlapping with the first display element, and the second region includes a region overlapping with the second display element and has a function of transmitting less polarized light as compared with light transmitted through the first region has been devised.

公开(公告)号：US20170263652A1

公开(公告)日：2017-09-14

申请号：US15604923

申请日：2017-05-25

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hajime KIMURA ,  Daisuke KUBOTA ,  Shunpei YAMAZAKI

IPC: H01L27/12 ,  G06F3/047 ,  G06F3/041 ,  G06F3/044

CPC classification number: H01L27/1225 ,  G02F1/136227 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047

Abstract: A display device includes a first pixel, a second pixel, a first substrate, and a second substrate. The first pixel includes a first pixel electrode, a first conductive film, and a first transistor. The first pixel electrode is electrically connected to the first transistor. The first conductive film includes a region functioning as a common electrode. The second pixel includes a second pixel electrode, a second conductive film, and a second transistor. The second pixel electrode is electrically connected to the second transistor. The second conductive film includes a region functioning as a common electrode. The first conductive film and the second pixel electrode are provided on the same plane. A first insulating film is provided over the first conductive film and the second pixel electrode. The first pixel electrode and the second conductive film are provided over the first insulating film.