Sharp Kabushiki Kaisha Corporation

Fujitsu Corporation

Fujitsu Display Technologies Corporation

Hideaki Takizawa

Tsuyoshi Kamada

Shougo Hayashi

Hidefumi Yoshida

Hiroyasu Inoue

Katsufumi Ohmuro

Arihiro Takeda

Yoshio Koike

Kenji Okamoto

Takahiro Sasaki

Hisashi Yamaguchi

Shingo Kataoka

Yoji Taniguchi

Satoshi Murata

Tadashi Hasegawa

Keiji Imoto

Yoshinori Tanaka

Yasutoshi Tasaka

Kunihiro Tashiro

Yohei Nakanishi

Tetsuya Fujikawa

Takashi Sasabayashi

Hideaki Tsuda

Seiji Tanuma

Hideo Chida

Manabu Sawasaki

Tomonori Tanose

Takatoshi Mayama

Makoto Ohashi

Kouji Tsukao

Masahiro Ikeda

Makoto Tachibanaki

Minoru Otani

Atuyuki Hoshino

Noriaki Furukawa

Makoto Morishige

Takeshi Kinjou

Siro Hirota

Isao Ogasawara

Seii Sato

Masahiro Yoshida

Kazuhiro Watanabe

Masahiro Kihara

Shizuo Andoh

Yasuhiro Nasu

Shiro Hirota

Kazunori Tanimoto

Teiji Majima

Takehiko Kawamura

Kazuo Nonaka

Tetsuya Kobayashi

Masayuki Hata

Kazuo Yoshikawa

Toyoshi Kawada

Mikihiro Noma

Kazuhiro Takahara

Masayuki Wakitani

Satoru Kawai

Kohji Yabuta

Tomotoshi Tsujioka

Kiyoshi Inada

Kosuke Nagata

Takayuki Hoshiya

Toru Asano

Shoshin Miura

Shintaro Kisumi

The present invention provides a liquid crystal display that enables to enhance the resolution of a display screen, to narrow a flame portion, and to simplify the production process of an array substrate. The present invention provides a liquid crystal display including an array substrate, wherein the array substrate comprises: an insulating substrate; a first conductive layer on the insulating substrate; a first insulating layer on the first conductive layer; a second conductive layer on the first insulating layer; a second insulating layer on the second conductive layer; a third conductive layer on the second insulating layer; a third insulating layer on the third conductive layer; a fourth conductive layer on the third insulating layer; a plurality of bus lines; a plurality of lead wires; a common electrode provided in the third conductive layer; a common trunk wiring provided outside a display region, crossing the lead wires, and transmitting a common signal; and a connection electrode provided outside the display region and connecting the common electrode with the common trunk wiring, the wiring being provided in the first conductive layer, the plurality of lead wires being provided in the second conductive layer above the common trunk wiring, the connection electrode being provided at least in the fourth conductive layer.

Liquid crystal display

A liquid crystal display device includes a liquid crystal display panel, a functional panel, a photo curable adhesive, a transparent electrode, and a light blocking line. The liquid crystal panel includes a display area to display an image and a non-display area surrounding the display area. The functional panel is attached to the liquid crystal panel, and includes a display overlapping area overlapping with the display area and a display non-overlapping area overlapping with the non-display area in a plan view. The photo curable adhesive is arranged between the panels and cured by light applied thereto. The transparent electrode is arranged in the display overlapping area and made of light transmissive conductive material. The light blocking line is arranged in the display non-overlapping area and made of light shielding metal material. The light blocking line partially has a light-transmission cutout that is configured to allow the light to pass therethrough.

Display device

Provided is an active matrix substrate having improved display quality without forming an inspection line in a terminal arrangement region for inspecting short circuit between connection lines. Scanning lines () include first scanning lines having input ends for a scanning signal on one end side, and second scanning lines having input ends for a scanning signal the other end side. In a display region (), the first scanning lines and the second scanning lines are formed alternately one by one. An active matrix substrate () includes a first inspection line () and a second inspection line () that cross each of a plurality of first connection lines (), and a third inspection line () and a fourth inspection line () that cross each of a plurality of second connection lines (). The first to the fourth inspection lines () are formed in a frame-shaped wiring region (), excluding the terminal arrangement region () and the display region ().

Active matrix substrate, display device, method for inspecting active matrix substrate, and method for inspecting display device

An active matrix substrate is provided with first inspection wirings () capable of inputting inspection signals to first switching wirings that are not adjacent to each other among the first switching wirings () and to second switching wirings that are not adjacent to each other among the second switching wirings (), and second inspection wirings () capable of inputting inspection signals to first switching wirings that are not adjacent to each other and not connected to the first inspection wirings among the first switching wirings () and to second switching wirings that are not adjacent to each other and not connected to the first inspection wirings among the second switching wirings ().

Active matrix substrate with connections of switching elements and inspecting wirings, display device, method for inspecting active matrix substrate, and method for inspecting display device

A liquid crystal display device comprising a liquid crystal layer including liquid crystal molecules provided between a first substrate and a second substrate; pixels forming a display area; electrodes for applying a voltage across the liquid crystal layer within each of the pixels; a plurality of domain regulating structures for dividing orientations of the liquid crystal molecules and forming multiple domains within each of the pixels, when a predetermined voltage is applied across the liquid crystal layer within each of the pixels. The device also includes a structure which is formed in an outer area located next to the display area, but that does not overlap the display area, and is substantially the same as at least one of the plurality of domain regulating structures.

Liquid crystal display device

A liquid crystal display device including a pair of substrates sandwiching liquid crystal molecules, a plurality of gate bus lines, and a plurality of data bus lines, with each of the data bus lines extending to intersect the gate bus lines and bending in a zigzag manner. A plurality of pixels are formed in areas enclosed by the data and gate bus lines, with a plurality of pixel electrodes, each covering a substantial area of one of the pixels. A plurality of domain regulating structures for regulating orientation directions of the liquid crystal molecules and for forming multiple domains are formed in each of the pixels. At least one of the domain regulating structures bends along a first side edge of the pixel electrode and domains are divided in accordance with the bending of the domain regulating structure.

A vertical alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltageisapplied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.

Vertically-aligned (VA) liquid crystal display device

A liquid crystal display device including a common electrode on a first substrate, a pixel electrode on a second substrate, and a liquid crystal layer between the first and second substrates. The device also include first and second alignment control structures formed, respectively, on the first and second substrates, for regulating azimuths of orientations of the liquid crystal when a voltage is applied thereto. The first and second alignment control structures each include a first line portion (extending in a first direction) and a second line portion (extending in a second direction, which is different from the first direction). The pixel electrode includes an edge extending in a direction different from both the first and second directions.

A vertical alignment type liquid crystal display device including a plurality of pixels, which further includes a first substrate and a second substrate and a liquid crystal layer between the first substrate and the second substrate. The first substrate and the second substrate include alignment control structures which extend linearly, and when viewed in a direction vertical to the first substrate, in a pixel, the alignment control structure of the first substrate and the alignment control structures of the second substrate are arranged alternately. The alignment control structure of the first substrate includes first and second linear portions, and distances between the first and second linear portions and an adjacent alignment control structure of the second substrate are different from each other. Additionally, each of the first and second linear portions and the alignment control structures of the second substrate are arranged in parallel.

Vertically-alligned (VA) liquid crystal display device

A liquid crystal display device that includes a plurality of pixels, a first substrate and a second substrate, as well as a liquid crystal layer provided between the first and second substrates. A first alignment structure and a second alignment structure are formed on the first substrate, and a third alignment structure and a fourth alignment structure are formed on the second substrate, for controlling an alignment of the liquid crystal. At least one auxiliary alignment structure is also formed on the first substrate for controlling an alignment of liquid crystals. The first and second alignment structures extend linearly in different directions from each other in a pixel, and the third and fourth alignment structures extend parallel to the first and second alignment structures, respectively. Also, the auxiliary alignment structure extends substantially along an edge of the pixel.

Liquid crystal display device with multiple alignment structures

A vertically alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The disclosed liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage being applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate as a trigger to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.

The invention relates to a pattern forming method, a method of manufacturing a TFT substrate, a method of manufacturing a liquid crystal display and an exposure mask and provides a pattern forming method, a method of manufacturing a TFT substrate, a method of manufacturing a liquid crystal display and an exposure mask which make it possible to provide a liquid crystal display having high display characteristics. In a pattern forming method for forming a resist pattern extending across a first divided exposure region and a second divided exposure region among a plurality of divided exposure regions on a substrate, a resist film is formed on the substrate; the resist film in the first divided exposure region is exposed using an exposure mask to form a latent image which defines one edge of a resist pattern in the vicinity of a boundary between the first divided exposure region and the second divided exposure region; the resist film in the second divided exposure region is exposed using another exposure mask to form a latent image which defines another edge of the resist pattern in the vicinity of the boundary; and the resist film is developed to form the resist pattern.

Pattern forming method, method of manufacturing thin film transistor substrate, method of manufacturing liquid crystal display and exposure mask

A vertical alignment mode liquid crystal display device having an improved viewing angle characteristic is provided. The liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage is applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate as a trigger to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.

A vertical alignment mode liquid crystal display device having an improved viewing angle characteristic uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage being applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of two substrates includes a structure as domain regulating means, to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.

Growing community of inventors

Kawasaki, Japan

Hideaki Takizawa