Seiko Epson Corporation

Japan Display Inc.

Sony Corporation

Japan Display West Inc.

Epson Imaging Devices Corporation

Keiji Takizawa

Tomoyuki Nakano

Yoshihiro Otagiri

Hideki Kaneko

Toshinori Uehara

Kimitaka Kamijo

Satoru Katagami

Chihiro Tanaka

Eiji Okamoto

Hisashi Aruga

Toshihiro Otake

Kunio Maruyama

Kojiro Ikeda

Hiroshi Kiguchi

Takumi Seki

Mutsumi Matsuo

Masaharu Shimizu

Shuhei Yoshida

Yoshio Yamaguchi

Natsuo Fujimori

Tadaaki Kuno

Tatsuya Kato

Takeo Koito

Toshiharu Matsushima

Hiroki Sugiyama

Shuji Hayashi

Takeyoshi Ushiki

Tae Kurokawa

Takashi Kobayashi

Joji Nishimura

Tadashi Tsuyuki

Shinichiro Tanaka

Masakatsu Higa

Masaki Kobayashi

Koji Yoshida

Toshihiro Ushiyama

Kenichi Honda

Tomoaki Sekime

Naonori Miwa

Tomohiko Kojima

Ryuji Sawata

A lighting device includes a light source including at least two types of light emitting elements with different color temperatures, an optical element including a plurality of liquid crystal cells and configured to control a distribution of light emitted from the light source, and a control unit configured to control the light source. The control unit controls the optical element to change from a first light distribution state to a second light distribution state different from the first light distribution state. The control unit controls the light source so that a color temperature of light emitted in a direction perpendicular to a surface of the optical element is the same in the first light distribution state and the second light distribution state.

Lighting device

A lighting device includes a light emitting module and an optical element including first and second liquid crystal cells. Each of the first and second liquid crystal cells includes first and second transparent electrodes extending in a first direction and third and fourth transparent electrodes extending in a second direction. The light emitting module includes a light source, a light guide plate including an end surface into which light emitted from the light source is incident and a first surface from which the light incident into the end surface is emitted, and a prism sheet disposed opposite to the first surface. The second substrate of the first liquid crystal cell and the first substrate of the second liquid crystal cell are adjacent to each other. The first surface includes a plurality of first grooves extending in a third direction intersecting the first direction and the second direction.

According to one embodiment, a display device includes a display which emits display light, a retroreflective element which retroreflects incident light, an optical element including a lower surface opposing the display and the retroreflective element and an upper surface on an opposite side to the lower surface, which reflects part of the display light toward the retroreflective element and transmits reflection light retroreflected by the retroreflective element and a first blower mechanism which blows air to a side of the upper surface.

Display device projecting an aerial image

Display device

According to an aspect, a liquid crystal display device includes: a first substrate; a second substrate; a liquid crystal layer between the first and second substrates; pixels each including sub-pixels corresponding to different color areas; a first electrode in each sub-pixel; and a second electrode facing the first electrode. The first electrode includes an electrode base portion extending in a first direction; and a plurality of comb tooth portions extending in a second direction from the electrode base portion. A slit pitch of a sub-pixel in one color area and a slit pitch of a sub-pixel in the other color area of at least two color areas out of different color areas are different in size, each slit pitch corresponding to a gap between the comb tooth portions adjacent to each other.

Liquid crystal display device

Light reflecting layersthat totally reflect light are provided inside the subpixelsdisposed in particular regions on an inner face of a TFT array substrate, and light reflecting layersthat scatter light are provided inside the subpixelsother than those. Thanks to this, the reflectance of the light reflecting layerscan be rendered different from that of the light reflecting layers. As a result, differences can be created in the display light formed by the light reflecting layersand by the light reflecting layers, by means of the light that is reflected thereat. Thereby, fine adjustment of the display light brightness and contrast is enabled, so that a liquid crystal display devicewith extensive power of expression and superior display characteristics is provided.

A liquid crystal display device of a transverse electric field type has characteristics in the following respects. A liquid crystal layer is sandwiched between two substrates. Two polarizing plates are provided on a side of the two substrates opposite to the liquid crystal layer such that the light transmission axes thereof are orthogonal to each other. A first electrode and a second electrode are formed on one of the two substrates. The liquid crystal is driven by an electric field generated between the first electrode and the second electrode. The polarizing plate, formed on one of the two substrates, is formed of a protective film, a polarizer, and two negative biaxial films. The two negative biaxial films include first and second negative biaxial films. The first negative biaxial film and the second negative biaxial film are entirely overlapped, and are disposed on a side of one or the other substrate.

An electro-optical display apparatus includes a display area in which sub-pixel columns formed of sub-pixels of the same color that are linearly arranged in a single direction are disposed in a stripe arrangement together with sub-pixel columns of other colors. An aperture ratio of each sub-pixel in at least one sub-pixel column located at one edge of the display area in an arrangement direction of the sub-pixel columns and at least one sub-pixel column located at another edge of the display area in the arrangement direction of the sub-pixel columns are configured to be lower than those of sub-pixels of the same color located in a center portion of the display area.

Electro-optical display apparatus

A liquid crystal device includes: a first substrate; a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a first electrode and a second electrode disposed on a side of the first substrate facing the liquid crystal layer; and a color filter and an electrostatic shielding layer disposed on a side of the second substrate facing the liquid crystal layer, the color filter including coloring layers of at least three different colors, the electrostatic shielding layer having an aperture formed therein corresponding to the coloring layer of at least one of the three different colors.

Liquid crystal device and electronic apparatus

Provided is a lateral electric field mode liquid crystal device including: a first substrate; a second substrate; a liquid crystal layer and pixel electrodes and common electrodes. A lateral electric field mode liquid crystal device drives the liquid crystal layer by an electric field generated between the pixel electrodes and the common electrodes, a light shielding layer is formed on a surface of the second substrate disposed close to the liquid crystal layer. A coloring layer is also formed so as to overlap with the pixel electrodes. An overcoat layer protects the coloring layer, and an alignment film is formed. An electrostatic shielding layer is formed of a transparent conductive material on a surface of the overcoat layer.

Liquid crystal device, electronic apparatus, and method of manufacturing liquid crystal device

There is provided a liquid crystal display panel that includes an array substrate having at least a pixel electrode and a switching element for every pixel area in a display area on a transparent substrate, a color filter substrate in which a light shielding layer made of a resin is formed on a transparent substrate at least outside the display area and a color filter layer is formed to oppose the pixel electrode, and liquid crystal enclosed between the array substrate and the color filter substrate that are bonded by a seal material. A protection film having an opening, the opening being opened in the display area, is formed on the color filter substrate in the outside of the display area to cover at least the portion of the light shielding layer on which the seal material is formed.

Liquid crystal display panel, electronic apparatus equipped with the same, and method for manufacturing liquid crystal display panel

A liquid crystal display devicehas subpixelshaving a light-transmissive regionand a light-reflective region. A color filter layercorresponding to an identification patternthat it is desired to be displayed when the liquid crystal display device's power is off is formed at the light-reflective regions, so that even when the liquid crystal display deviceis in the non-driven state, incident external light emerges as outgoing light having the colors of the color layers corresponding to the identification pattern, and hence the identification pattern can be displayed. Thus, any desired pattern can be displayed in the liquid crystal display device's non-driven state, so that a liquid crystal display device with extensive expression and superior display characteristics is provided.

An electro-optical device includes a pair of substrates that hold an electro-optical material therebetween and include a plurality of pixels each having a reflective display region and a transmissive display region; a reflective film that is provided in the reflective display region and has a flat surface in a portion of the reflective display region adjacent to the transmissive display region, the portion of the reflective display region serving as a first mirror-reflection region; and colored layers each of which is formed in only the first mirror-reflection region and the transmissive display region.

Electro-optical device with transmissive and reflection display regions where the reflection display region has a scatter-reflection and mirror-reflection region

There is provided an electro-optical device including pixels arranged in a matrix, each pixel having a plurality of color-display sub-pixels corresponding to a plurality of colors and a monochrome-display sub-pixel. The color-display sub-pixel and the monochrome-display sub-pixel can perform gray-scale display independently. One of the color-display sub-pixel and the monochrome-display sub-pixel displays images in a transmissive mode in which light emitted from a light source is modulated, while the other sub-pixel displays images in a reflective mode in which light incident from outside is modulated.

Electro-optical device and electronic apparatus

Growing community of inventors

Hotaka-machi, Japan

Keiji Takizawa