Sharp Kabushiki Kaisha Corporation

Sakai Display Products Corporation

Semiconductor Energy Laboratory Co., Ltd.

Fumikazu Shimoshikiryoh

Masae Kitayama

Masae Kawabata

Takehisa Yoshida

Mitsuaki Hirata

Kentaro Irie

Kentaroh Irie

Toshihide Tsubata

Shinichi Terashita

Yuki Yamashita

Kouichi Watanabe

Ikumi Itsumi

Naoshi Yamada

Akane Sugisaka

Toshikazu Tsuchiya

Shigeyuki Yamada

Kenichi Hyohdoh

Toshinori Sugihara

Akihiro Shohraku

Masanori Takeuchi

Akihiro Shoraku

Takamitsu Suzuki

Masahiko Nakamizo

Hiroto Suzuki

Akifumi Hashimoto

Shinichi Kawato

Makoto Shiomi

Takashi Ochi

Katsuhiro Kikuchi

Yuto Tsukamoto

Kohei Yokoyama

Manabu Niboshi

Shigeaki Mizushima

Hidetoshi Nakagawa

Nobuyoshi Nagashima

Tomohiro Kosaka

Seiji Fujiwara

Mitsuaki Morimoto

Tomofumi Osaki

Tazo Ikeguchi

Takashi Sonoda

Nobufumi Tomimaru

Hitoshi Watanabe

Kentarou Irie

Kenichi Hyodo

Ichiro Takada

The present invention provides a dimming panel sequentially including: a first substrate; a liquid crystal layer; and a second substrate, the first substrate sequentially including an insulating substrate, a first electrode, a first insulator layer, and a second electrode, the second electrode including, in a plan view, linear electrodes parallel to each other with slit regions in between, and bridge electrodes each of which is disposed in one of the slit regions and is connecting two adjacent linear electrodes, the bridge electrodes including a first bridge electrode in a first slit region, a second bridge electrode in a second slit region adjacent to the first slit region, and a third bridge electrode in a third slit region adjacent to the second slit region, the first bridge electrode, the second bridge electrode, and the third bridge electrode being discrete from one another.

Dimming panel, production method for dimming panel and liquid crystal display device

A see-through window display includes a display panel having a plurality of pixels and a drive circuit that applies a voltage according to input gray scale data to the plurality of pixels, in which the display panel includes a first substrate having a pixel electrode, a second substrate, a liquid crystal layer interposed between the first substrate and the second substrate, a first polarizer provided on the first substrate having a first polarization axis, and a second polarizer provided on the second substrate having a second polarization axis, and when a transmittance of each of the pixels when the drive circuit applies a minimum voltage to the pixel is set to TW and a transmittance of each of the pixels when the drive circuit applies a maximum voltage to the pixel is set to TB, the display panel has a normally white characteristic satisfying TW>TB.

See-through window display and liquid crystal display

The liquid crystal display panel sequentially includes: a first polarizing plate; a first substrate; a first alignment film; a liquid crystal layer containing liquid crystal molecules; a second alignment film; a second substrate; and a second polarizing plate. The liquid crystal display panel is a normally black liquid crystal display panel capable of shifting into a transparent display state. The first alignment film and the second alignment film have been subjected to alignment treatment such that a first domain and a second domain in which alignment vectors are different from each other are arranged side by side in a column direction. In a plan view, a liquid crystal alignment axis of the first domain and a liquid crystal alignment axis of the second domain obliquely intersect a polarization axis of the first polarizing plate and a polarization axis of the second polarizing plate and are parallel to each other.

Liquid crystal display panel and 3D display device

A liquid crystal display panel includes a first substrate section having a first substrate and pixel electrodes (). Each pixel electrode () includes a bridging portion () provided between a first pixel electrode portion () and a second pixel electrode portion () and linking together the first pixel electrode portion () and the second pixel electrode portion (). A first recess () is provided at one side along the width direction of the pixel electrode (), the first recess () extending from one side along the width direction of the pixel electrode () toward the bridging portion () and being located between the first pixel electrode portion () and the second pixel electrode portion (). A second recess () is provided at another side along the width direction of the pixel electrode (), the second recess () extending from the other side along the width direction of the pixel electrode () toward the bridging portion () and being located between the first pixel electrode portion () and the second pixel electrode portion ().

Liquid crystal display panel

The present invention provides a liquid crystal display panel sequentially including: a first substrate provided with a pixel electrode for each pixel; a liquid crystal layer containing liquid crystal molecules; and a second substrate provided with a counter electrode, the liquid crystal display panel including pixels each including at least four alignment regions with different inclination azimuths of the liquid crystal molecules, with no voltage applied to the liquid crystal layer, the liquid crystal molecules aligning substantially vertically to the first substrate and the second substrate with inclinations along the inclination azimuths, the liquid crystal molecules having a twist angle of substantially 0&#xb0; in each alignment region, at least one of the four alignment regions including a first region where the liquid crystal molecules have a relatively small average tilt angle and a second region where the liquid crystal molecules have a relatively large average tilt angle.

The present invention relates to a dimming unit including: a dimming panel; and drive circuitry, the dimming panel sequentially including a first substrate, a liquid crystal layer, and a second substrate, the first substrate sequentially including an insulating substrate, a lower-layer electrode, a first insulating layer, multiple first electrodes, a second insulating layer, and a second electrode which is provided with multiple parallel linear electrodes and to which a constant voltage is applied, the first electrodes including multiple island electrodes which are spaced from each other in a plan view and are electrically connected to each other, at least one of the island electrodes being electrically connected to the lower-layer electrode through a contact hole, the drive circuitry controlling voltages applied to the respective first electrodes.

Dimming unit, and liquid crystal display device

The present invention provides a dimming panel including: a drive circuit; and dimming units arranged in one direction from a drive circuit, the dimming panel sequentially including a first substrate, a liquid crystal layer, and a second substrate, the first substrate sequentially including an insulating substrate, connection lines formed from a transparent conductive material and connected to the drive circuit, a first insulating layer, a first electrode, a second insulating layer, and a second electrode, the first electrode or the second electrode including dimming electrodes disposed for the respective dimming units, each of the dimming electrodes being electrically connected to one of the connection lines, an electrode width of at least one of the connection lines increasing in response to a distance from the drive circuit.

Dimming panel and liquid crystal display device

A display apparatus () having a displaying region (RD) of a non-rectangular shape includes: a plurality of gate lines () being disposed in the displaying region (RD) and extending along a first direction; a plurality of source lines () extending along a second direction; a plurality of gate drivers (G) and a plurality of source drivers (S) disposed in the frame region (RF); and a gate connection line () being provided in the displaying region (RD) so as to extend along a direction which intersects the first direction and connected to one of the gate drivers (G) and one of the plurality of gate lines (). A region in which the plurality of gate drivers (G) are provided and a region in which the plurality of source drivers (S) are provided are opposite from each other, with the displaying region (RD) being interposed therebetween.

Display device

A liquid crystal panel includes a first substrate including multiple pixel electrodes; a liquid crystal layer; and a second substrate including a common electrode. In at least 30 pixels consecutive in a row direction, arrays of the domains are identical, the domains in the display unit region located in an nth row are arranged in an order of a first domain, a second domain, a third domain, and a fourth domain, and each of the pixel electrodes includes a first pixel electrode having a configuration in which fine slits parallel to an alignment vector of the corresponding domain are provided in at least one of a region superimposed on the first domain, a region superimposed on the second domain, a region superimposed on the third domain, or a region superimposed on the fourth domain while the fine slits are not provided in the remaining regions.

Liquid crystal panel and method of manufacturing thereof

The present invention relates to a dimming panel sequentially including a first substrate, a liquid crystal layer, and a second substrate, the first substrate sequentially including an insulating substrate, multiple first electrodes, a first insulating layer, and a second electrode including parallel linear electrodes, each of the first electrodes including a base electrode and multiple island electrodes, the base electrode being provided with multiple apertures, the island electrodes being electrically connected to the base electrode, surrounding the base electrode in a plan view, and being arranged with intervals, at least one of the island electrodes of a selected electrode of the first electrodes being disposed in at least one position selected from the group consisting of a position inside at least one of the apertures of a next electrode and a position between adjacent two of the island electrodes of the next electrode.

Dimming panel, dimming unit, and liquid crystal display device

A liquid crystal display apparatus includes: a liquid crystal display panel having a first substrate, a second substrate, and a vertical alignment type liquid crystal layer; and a control circuit configured to generate a display signal voltage. The first substrate has pixel electrodes to which the display signal voltage is applied, and a first alignment film. The second substrate has a counter electrode to which a common voltage is applied, and a second alignment film. Each pixel has liquid crystal domains having different reference alignment directions defined by the first and second alignment films. The pixel electrode has slits. The control circuit is configured to generate, as the display signal voltage, a voltage obtained by adding a predetermined offset voltage to an original voltage corresponding to a gray level. The offset voltage is substantially the same for gray levels higher than or equal to a predetermined intermediate gray level.

Liquid crystal display apparatus

The present invention provides a polarized light irradiation device capable of setting an alignment azimuth angle &#x3b8; of liquid crystal molecules to be a desired angle even when the incident angle of polarized light on a substrate is not 0&#xb0; in irradiation of a photo alignment film with polarized light, and a method for manufacturing a liquid crystal display device by using the polarized light irradiation device. The polarized light irradiation device is used in alignment treatment of a photo alignment film provided on a substrate, the device including: a stage including a placement surface on which the substrate is placed; and a polarized light irradiation unit configured to irradiate the placement surface with polarized light through a polarizer in a direction tilted relative to the normal of the placement surface, wherein a polarization azimuth angle &#x3b1;, which is an angle of the polarization axis of the polarizer when the polarization axis of the polarizer is projected onto the placement surface, satisfies 30&#xb0;&#x3c;&#x3b1;&#x3c;45&#xb0;, 45&#xb0;&#x3c;&#x3b1;&#x3c;60&#xb0;, &#x2212;60&#xb0;&#x3c;&#x3b1;&#x3c;&#x2212;45&#xb0;, or &#x2212;45&#xb0;&#x3c;&#x3b1;&#x3c;&#x2212;30&#xb0;, as viewed in an irradiation axis direction of the polarized light with the longitudinal direction of the substrate taken to be 0&#xb0;.

Polarized-light irradiation device and method for manufacturing liquid crystal display device

A liquid crystal display apparatus includes first and second substrates and a liquid crystal layer of vertical alignment type. The first substrate includes pixel electrodes and a first alignment film, whereas the second substrate includes a counter electrode and a second alignment film. Each pixel includes first and second subpixels which allow respectively different voltages to be applied across the liquid crystal layer. Each pixel electrode includes a subpixel electrode provided for each of the first and second subpixels. Each of the first and second subpixels includes first to fourth liquid crystal domains having respectively different reference alignment directions being defined by the first and second alignment films. First to fourth directions, which are the reference alignment directions of the first to fourth liquid crystal domains, each make an angle which is substantially equal to an odd multiple of 45&#xb0; with respect to the pixel transverse direction.

A liquid crystal display panel includes in the following order: a first substrate including pixel electrodes; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a counter electrode, the liquid crystal display panel including pixels each including at least four alignment regions of a first alignment region, a second alignment region, a third alignment region, and a fourth alignment region, the four alignment regions providing different tilt azimuths to the liquid crystal molecules, the first alignment region, the second alignment region, the third alignment region, and the fourth alignment region being arranged in the given order in a longitudinal direction of each pixel, the first alignment region and the second alignment region providing tilt azimuths approximately 180&#xb0; different from each other to the liquid crystal molecules or the third alignment region and the fourth alignment region providing tilt azimuths approximately 180&#xb0; different from each other to the liquid crystal molecules.

Growing community of inventors

Osaka, Japan

Fumikazu Shimoshikiryoh