Sony Corporation

Epson Imaging Devices Corporation

Sanyo Electric Co., Ltd.

Japan Display West Inc.

Tottori Sanyo Electric Co., Ltd.

Shinichiro Tanaka

Hironori Taniguchi

Koji Yoshida

Hideki Kaneko

Shuhei Yoshida

Masakatsu Higa

Satoshi Morita

Tae Nakahara

Osamu Kobayashi

Yasuhiro Nakanishi

Masashi Ariga

Keiji Takizawa

Toshinori Uehara

Chihiro Tanaka

Joji Nishimura

Masahiro Horiguchi

Yoshiaki Aramatsu

Kazu Kobayashi

Miyuki Ataka

Masaki Kajiyama

Naoaki Omae

An MVA type liquid crystal display panel of the present invention comprises a first substrate where a light transmission section consisting of a pixel electrode, whose corner portions are chamfered, is formed at each position partitioned by scanning linesand signal linesthat are arranged in a matrix state, in which a protruding electrodeextending from the pixel electrodeis formed between the chamfered position of the corner portion and the scanning lineto prevent the inclination of liquid crystal molecules due to the effect of the potential difference occurring between the scanning line and a common electrode. According to the present invention, it is possible to provide an MVA type of liquid crystal display panel having high contrast, where contrast reduction caused by the inclination of liquid crystal molecules due to the effect of the potential difference occurring between the scanning line and a common electrode is controlled, even where the liquid crystal display panel employs pixel electrodes with chamfered corner portions.

Liquid crystal display panel

A liquid crystal display device including: first and second substrates disposed oppositely to each other; a first spacer formed on a side of the first substrate so as to be directly or indirectly abutted against a side of the second substrate; and a second spacer formed on the first substrate side so as to be spaced apart from the second substrate side; wherein a concavo-convex portion is formed in an area, of the second substrate, corresponding to the second spacer on the first substrate side.

Liquid crystal display device, liquid crystal display device manufacturing method, and electronic device

A manufacturing method for a liquid crystal apparatus of a transverse electric field system that is provided with a liquid crystal layer sandwiched between a first substrate and a second substrate and a pixel electrode and a common electrode formed on the first substrate and is arranged to drive liquid crystal through an electric field generated between the pixel electrode and the common electrode includes the steps of forming a material layer made of photosensitive resin on a glass substrate and performing an exposure processing with a predetermined exposure pattern, performing a development processing on the material layer and forming a resin light interruption layer having an opening section that exposes the glass substrate in a bottom section, forming an electrostatic interruption layer while covering the resin light interruption layer, and providing a colored layer in an area overlapped with the opening section on the electrostatic interruption layer.

Manufacturing method for liquid crystal apparatus

A liquid crystal display panel includes a pair of substrates which are opposed to each other, and a liquid crystal layer which is interposed between the pair of substrates. One of the pair of substrates is provided with a plurality of scanning lines and a plurality of signal lines which are arranged in a matrix shape in a display area. Lower electrodes are each formed in each of sub-pixel areas partitioned by the plurality of scanning lines and the plurality of signal lines. An insulating film is formed in the display area so as to cover the lower electrodes. Upper electrodes are formed in the display area through the insulating film, and each have a plurality of slits in each of the sub-pixel area, and an alignment film which is formed on the upper electrodes and slit-shaped openings close to the liquid crystal layer.

Transverse electric field mode liquid crystal display panel capable of preventing bright regions of the circumferences of slit-shaped openings of an upper electrode

A method of manufacturing a liquid crystal display includes: forming a protective film on at least either of first and second mother substrates disposed opposite to each other and each having panel regions; removing the protective film in a region which is associated with at least start and end points of a seal material and which is near the periphery of an area including the panel regions, applying the seal material to the protective film on the first and second mother substrates in the vicinity of dividing lines at which the mother substrates are divided into individual panel regions using a dispenser, the seal material being applied from the start to end points to form a gap to serve as a liquid crystal injection port; combining the first and second mother substrates; and dividing the combined first and second mother substrates into the individual panel regions.

Liquid crystal display manufacturing method, liquid crystal display, and electronic apparatus

A lateral electric field mode liquid crystal device comprising: a first substrate having pixel electrodes and common electrodes which are provided on one surface thereof; a second substrate disposed so as to face that surface of the first substrate with a predetermined distance therebetween; a liquid crystal layer sandwiched between the first substrate and the second substrate; and a loop-shaped sealing member disposed so as to surround the liquid crystal layer, with the liquid crystal device driving the liquid crystal layer by an electric field generated between the pixel electrodes and the common electrodes.

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

A liquid crystal device includes a liquid crystal layer between a pair of substrates. One substrate includes pixel electrodes, an insulating layer and a common electrode having a plurality of slits. An electric field between the pixel and common electrodes turns liquid crystal molecules in a predetermined direction in regions corresponding to the slits. Each slit includes a first straight portion extending from a center of the pixel electrode toward both sides of the pixel electrode and second straight portions extending from the ends of the first straight portion to the outside of the pixel electrode. The first and second portions each form an acute angle with an initial orientation of the liquid crystal molecules in a direction opposite to the predetermined direction. The acute angle between the second portions and the initial orientation is larger than the acute angle between the first portion and the initial orientation.

Liquid crystal device

A liquid crystal display panelof the present invention includes an array substratewith a display region in which a pixel electrode is formed in each of the regions enclosed by a plurality of signal lines and scan lines deployed as matrices, a opposed substratewith a common electrode, a sealing agentsealing a peripheral portion of the array substrateand the opposed substrate, a liquid crystal layer sealed between both substrates, a border regionincluding a reflectorand a transparent electrodeis formed on an interlayerat a periphery of the display region of the array substrate, and at least a part of an outer peripheral side is lacking from the common electrodeat a position corresponding to the border region. Thanks to such structure, the border region improves the appearance at the periphery of the display region, and the phenomenon of night vision alongside the scan line wiring does not occur.

Liquid crystal display panel having an ornamental reflector deployed around the periphery of a display region

In the liquid crystal display device of the present invention, channelscontaining gapsof the adjacent color filers CF are formed on the surface of a transparent thickness section, such that when orientation agent is applied by means of a roller to the surface of the transparent section wall, the surplus orientation agent is conducted to either side of the transparent thickness wallthrough the channels, such that the orientation agent does not gather and is dissolved, and the orientation thickness film does not become uneven as to produce any orientation defect and defective display is thereby avoided.

Liquid crystal display device

A display device includes a plurality of light emitting elements arranged in a matrix. A scan signal is made to flow into a gate signal line and a data signal is made to flow into a source signal line so that the data signal is applied to a source electrode and the scan signal is supplied to a gate electrode of a control TFT arranged at a portion where the both signal lines intersect when viewed from above. Thus, when the control TFT is turned ON, a drive TFT having a gate electrode connected to the drain electrode is turned ON, so that current is supplied from a power supply line via the source electrode and the drain electrode of the drive TFT to an organic EL element and the organic EL element emits light. A holding capacity is present between the control TFT and the drive TFT. Even when the scan signal becomes LOW level and the control TFT turns OFF, the gate potential of the drive TFT is held for a predetermined period of time by the holding capacity and the organic EL element continues to emit light.

Organic luminescent display device having a semiconductor with an amorphous silicon layer

Liquid crystal display panelis provided with TFT and pixel electrode, between which interlayer insulatoris interposed, and with reflective section, in each of a matrix of pixels; having first substrate whereon the pixel electrodeand the TFT's electrode D electrically connect via contact holeformed in the reflective section; second substrate whereon at least one protrusionstoare formed on common electrode in positions corresponding to the each pixel; perpendicular alignment layers deposited on each substrate; and liquid crystalwith negative dielectric anisotropy disposed between substrates. In position corresponding to base of protrusionprovided opposite the second substrate's contact hole, light-blocking filmis formed so as to cover the base viewed from above. Thus, liquid crystal display panel is provided wherein light leakage from reflective section's contact hole and from protrusions is curbed, with high contrast and display quality.

Liquid crystal display panel having particular protrusion and light blocking film features

A semi-transmissive liquid crystal display devicehaving a first substrate which is partitioned by signal linesand scanning linesprovided in a matrix pattern in which a reflective partand a transmissive partare formed on respective positions, a second substrate which is formed with a color filter and a common electrode, and a liquid crystal layer which is provided in between said two substrates, wherein a pixel electrodewhich is provided on said reflective partand said transmissive partis formed so as to overlap with said signal linesand said scanning linesvia an insulating layer when viewed from the upper side, a width Lof the signal linecorresponding to said transmissive partis greater than a width Lof said signal linecorresponding to said reflective part, and an overlapping width Lof said pixel electrodeand said signal linecorresponding to said transmissive partis greater than an overlapping width Lof the pixel electrodeand said signal linecorresponding to said reflective part. As a result, it will be possible to provide a semi-transmissive liquid crystal display device having good contrast without any negative effects on display quality such as cross-talk or the like can be provided.

Semi-transmissive liquid crystal display device with signal lines that are broader in the transmissive portion than in the reflective portion

An electro-optical device includes: a plurality of display pixels each of which has two Red sub-pixels, two Green sub-pixels, one Blue sub-pixel, and one transparent sub-pixel; and a colored layer which is partially formed on the Red, Green, and Blue sub-pixels. In the electro-optical device, uncolored portions are formed in parts of the Red and Green sub-pixels where the colored layer is not formed.

Electro-optical device and electronic apparatus

A liquid crystal display panelof the invention has: an array substrate with a display regionin which a pixel electrode is formed in each of the regions enclosed by a plurality of signal lines and scan lines deployed as matrices; a opposed substrate with a common electrode; and a liquid crystal layer that is sealed between the array substrate and the opposed substrate by means of sealing agentthat seals together the peripheries of the two substrates. Features are: the periphery of the array substrate's display regionis covered by a border regionthat has a reflectorand a continuous transparent electrodethe outer periphery of the border regionis sealed by the sealing agentand the border region's transparent electrodeis electrically coupled to the common electrode. Thanks to such structure, the border region improves the appearance at the periphery of the display region, and the phenomenon of night vision alongside the scan line wiring does not occur.

Growing community of inventors

Tottori, Japan

Shinichiro Tanaka