Semiconductor Energy Laboratory Co., Ltd.

Tetsuji Ishitani

Daisuke Kubota

Takeshi Nishi

Yoshiharu Hirakata

Shunpei Yamazaki

Akio Yamashita

Ryo Hatsumi

Yuji Egi

Yasuhiro Niikura

Tomohiro Tamura

Shuji Fukai

Yuko Kawata

Momoko Kato

Takashi Hamada

Ryota Imahayashi

Koji Kusunoki

Yasuhiro Jinbo

Susumu Kawashima

Sachiko Kawakami

Kohei Yokoyama

Masaru Nakano

Hajime Kimura

Hisao Ikeda

Kouhei Toyotaka

Shingo Eguchi

Nozomu Sugisawa

Kenichi Okazaki

Hideaki Shishido

Manabu Kobayashi

Hiroyuki Miyake

Hidekazu Miyairi

Kazunori Watanabe

Hiroki Ohara

Yasuo Nakamura

Taisuke Kamada

Yusuke Kubota

Makoto Ikenaga

Mika Jikumaru

Masahide Kanai

Yoshiyuki Kurokawa

Takayuki Ikeda

Shinya Sasagawa

Toshiyuki Isa

Mayumi Mikami

Takaaki Nagata

Koji Moriya

Tatsuya Sakuishi

Ryoto Imahayashi

Yoshihara Hirakata

A display device including a circuit suitable for controlling a liquid crystal element is provided. The display device includes two memories in one pixel and a plurality of pixels arranged in the horizontal and vertical directions share a gate line. The display device includes a liquid crystal element and by writing charges to different polarity capacitors, power consumption in an inversion operation can be reduced. Furthermore, a liquid crystal element with a high threshold voltage can be suitably used and a wide range of voltages can be applied without impairing grayscale display characteristics in the display device. Furthermore, a voltage higher than or equal to an output voltage of a source driver can be applied to the liquid crystal element.

Display device, operation method of display device, and electronic device

A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal. The first output terminal supplies a first selection signal in response to the first pulse width modulation signal in a period from supply of the first trigger signal to supply of the second trigger signal, the first output terminal supplies the first selection signal in a period during which the batch selection signal is supplied, the second output terminal supplies a second selection signal in response to the second pulse width modulation signal in the period from the supply of the first trigger signal to the supply of the second trigger signal, and the third output terminal supplies a third trigger signal.

Flip-flop circuit, driver circuit, display panel, display device, input/output device, and data processing device

An increase in fabricating cost of a display module including a touch sensor is suppressed. A display device which includes a first substrate, a second substrate, and liquid crystal interposed between the first substrate and the second substrate includes a display portion. The display portion includes a sensor unit and a pixel. The sensor unit includes a first transistor, a first conductive film electrically connected to a gate of the first transistor, and a second conductive film. At least part of the first conductive film overlaps with at least part of the second conductive film. The pixel includes a second transistor, and a pixel electrode electrically connected to the second transistor. At least part of the pixel electrode overlaps with at least part of the first conductive film.

Semiconductor device and display device

A display device in which a peripheral circuit portion has high operation stability is provided. The display device includes a first substrate and a second substrate. A first insulating layer is provided over a first surface of the first substrate. A second insulating layer is provided over a first surface of the second substrate. The first surface of the first substrate and the first surface of the second substrate face each other. An adhesive layer is provided between the first insulating layer and the second insulating layer. A protective film in contact with the first substrate, the first insulating layer, the adhesive layer, the second insulating layer, and the second substrate is formed in the vicinity of a peripheral portion of the first substrate and the second substrate.

Display device, manufacturing method of display device, and electronic device

A display device including a peripheral circuit portion with high operation stability. The display device includes a first substrate and a second substrate. A first insulating layer is on a first plane of the first substrate, and a second insulating layer is on a first plane of the second substrate. An area of the first plane of the first substrate is the same as an area of the first plane of the second substrate. The first plane of the first substrate and the first plane of the second substrate face each other. A bonding layer is between the first insulating layer and the second insulating layer. A protection film is in contact with the first substrate, the first insulating layer, the bonding layer, the second insulating layer, and the second substrate.

Display device and electronic device

A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween. The pixel includes a first connection portion where the conductive layer is electrically connected to the first transistor and a second connection portion where the pixel electrode is electrically connected to the second transistor. The conductive layer, the pixel electrode, and the common electrode each have a function of transmitting visible light.

Display device, display module, and electronic device

Disclosed is a liquid crystal display device which can be used in a variety of situations and applications. The liquid crystal display device comprises: a first substrate comprising a first display region, a second display region, and a third display region wherein the first display region, the second display region, and the third display region are continuously formed; a second substrate having a form which fits the first substrate; and a liquid crystal interposed between the first substrate and the second substrate. The second display region is interposed between the first display region and the second display region. The second display region is curved, and the first display region and the second display region are substantially flat.

Liquid crystal display device and manufacturing method thereof

To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light.

Liquid crystal display device

A display device that can switch between normal display and see-through display is provided. Visibility in see-through display is improved. A liquid crystal element overlaps with a light-emitting element. The light-emitting element, a transistor, and the like overlapping with the liquid crystal element transmit visible light. When the liquid crystal element blocks external light, an image is displayed with the light-emitting element. When the liquid crystal element transmits external light, an image displayed with the light-emitting element is superimposed on a transmission image through the liquid crystal element.

Display device and driving method of display device

A novel display device that is highly convenient, useful, or reliable is provided. The display device includes a light guide plate, a display panel, and an intermediate layer, and the light guide plate includes a first surface and a second surface. The first surface is irradiated with light, the second surface has a function of distributing light, the second surface is in contact with the intermediate layer, and the second surface has a first refractive index Nin a region in contact with the intermediate layer. The display panel faces the second surface, the display panel is in contact with the intermediate layer, and the display panel has a function of scattering the distributed light. The intermediate layer includes a region positioned between the second surface and the display panel, and the intermediate layer has a second refractive index Nin a region in contact with the second surface. The second refractive index Nis smaller than the first refractive index N

Display device and data processing device

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Kanagawa, Japan

Tetsuji Ishitani