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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Sakamoto; Michiaki
Address:
Tokyo, JP
No. of patents:
70
Patents:


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Patent Number Title Of Patent Date Issued
8049848 Liquid crystal display and method of manufacturing the same and method of driving the same November 1, 2011
A liquid crystal display having a wide viewing angle and easily manufactured. The liquid crystal display comprises an upper substrate and a lower substrate, and a liquid crystal material disposed between the upper substrate and the lower substrate. The liquid crystal display has a co
7990501 Transflective type LCD and method for manufacturing the same August 2, 2011
A method for manufacturing a transflective type LCD having a first substrate provided thereon with a plurality of scanning lines and a plurality of signal lines which are substantially perpendicular to each other and a switching element arranged near each of intersections between sai
7894028 Liquid crystal display device and method of fabricating the same February 22, 2011
A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first and second substrates. The first substrate includes first to N-th 1st retardation plates arranged on the first transparent substrate, and the second
7817229 Transflective type LCD and method for manufacturing the same October 19, 2010
In a transflective type LCD provided with a transparent region and a reflection region in each pixel, when an irregular film 11 is formed on an active matrix substrate 12 to form irregularities of a reflection electrode film 6, the irregular film 11 is specifically formed to almost t
7751022 Liquid crystal display device and method of fabricating the same July 6, 2010
A liquid crystal display device including a first substrate, a second substrate facing and spaced away from the first substrate, a liquid crystal layer sandwiched between the first and second substrates, a switching device formed on the first substrate, a first electrically insulatin
7652733 Liquid crystal display device with reflector having alternating rugged patterns January 26, 2010
There is provided a light-reflector used in a liquid crystal display device which uses an externally incident light as a light source by reflecting the externally incident light to a viewer, wherein the light-reflector is formed at a surface thereof with a rugged pattern comprised of
7612848 Liquid crystal display and method of manufacturing the same and method of driving the same November 3, 2009
A liquid crystal display having a wide viewing angle and easily manufactured. The liquid crystal display comprises an upper substrate and a lower substrate, and a liquid crystal material disposed between the upper substrate and the lower substrate. The liquid crystal display has a co
7609343 Liquid crystal display device and method of manufacturing the same October 27, 2009
In a semi-transmissive liquid crystal display device, the thickness of liquid crystal layer in the reflective region can be adjusted by controlling the film thickness of the organic insulating film for reflection and the film thickness of the color layer for reflection. Furthermore,
7561238 Liquid crystal display device and method of manufacturing the same July 14, 2009
In a liquid crystal display device comprising a first substrate 101 having a color filter, a second substrate 131 and a liquid crystal layer disposed therebetween, a color filter layer 110 is disposed on a protection film 108 of a thin film transistor formed on the first substrate 10
7522254 Liquid crystal display device and method of fabricating the same April 21, 2009
A liquid crystal display device including a first substrate, a second substrate facing and spaced away from the first substrate, a liquid crystal layer sandwiched between the first and second substrates, a switching device formed on the first substrate, a first electrically insulatin
7312840 Active matrix liquid crystal display with 5MM contact hole in color filter and manufacturing met December 25, 2007
The object of the present invention is to provide an active matrix liquid crystal display device having an on-chip color filter structure capable of realizing high precision and a high aperture ratio by making a contact hole small in size without deteriorating productivity.A liquid cryst
7277152 Method for manufacturing active matrix type liquid crystal display device comprising annealing o October 2, 2007
A TFT and a passivation film are formed on a transparent substrate and thereafter the passivation film is annealed. When measuring drain currents of a TFT at a fixed turn-on voltage (Von) and a fixed turn-off voltage (Voff), although performance of a TFT annealed (solid line) rarely
7245337 Liquid crystal display July 17, 2007
A reflection electrode has an undulated shape and whose normal direction is distributed unevenly to a specific azimuth angle and whose reflection light intensity depends on said azimuth angle. Openings are formed in that area of the reflection electrode which has a tilt angle of 0 degree
7224414 Active matrix liquid crystal display device May 29, 2007
An active matrix liquid crystal display device which has color filters disposed on a TFT (Thin-Film Transistor) substrate, and which reduces the effect of light leakage regions over data lines for an increased viewing angle. The liquid crystal display device has the data lines disposed o
7212270 Liquid crystal display and method of manufacturing the same and method of driving the same May 1, 2007
A liquid crystal display having a wide viewing angle and easily manufactured. The liquid crystal display comprises an upper substrate and a lower substrate, and a liquid crystal material disposed between the upper substrate and the lower substrate. The liquid crystal display has a co
7196755 Reflector and reflection-type LCD device using the same March 27, 2007
A reflector for a reflection-type LCD device is provided, which reflects efficiently incident light to the viewer's side and that suppresses the change of color tone. The reflector comprises a roughened surface having a protrusion pattern. The protrusion pattern gives inclination angle t
7110070 Active-matrix addressed reflective LCD and method of fabricating the same September 19, 2006
In order to improve processing steps of fabricating an active-matrix addressed reflective liquid crystal display, a lower substrate, which is positioned at one side with respect to a liquid crystal layer, is provided with two electrodes in parallel with each other and in parallel wit
7098970 Liquid crystal display device and its manufacturing method August 29, 2006
In an active matrix type liquid crystal display device comprising a TFT having gate lines and data lines formed in a matrix manner and being connected to a source line, a contact hole for connecting the source line with a pixel electrode is formed in a position overlapping a disclination
7092051 Reflection-type LCD device using the same August 15, 2006
A reflector for a reflection-type LCD device is provided, which reflects efficiently incident light to the viewer's side and that suppresses the change of color tone. The reflector comprises a roughened surface having a protrusion pattern. The protrusion pattern gives inclination angle t
7046321 Reflection type liquid crystal display provided with transparent pixel electrode and manufacture May 16, 2006
In order to realize the manufacture of a reflection type liquid crystal display in the same manufacture processes as those of a transmission type liquid crystal display, a photolithography mask capable of forming both a gate electrode 22 and a reflective layer 23, and a photolithography
7042539 Reflection plate, manufacturing method thereof, liquid crystal display device and manufacturing May 9, 2006
A reflection plate is formed so as to have a wavy surface, and to have uneven distribution of normal line directions of the surface in terms of a specific azimuth angle. The wavy surface is formed due to line-shaped protruding patterns and an insulation film layer. The protruding pattern
7041522 Color liquid crystal display device and manufacturing method of the same May 9, 2006
In a manufacturing method of a color liquid crystal display device, a first conductive film is formed on a transparent insulating substrate to form a gate electrode and a gate bus line (first PR process). A gate insulating film, a semiconductor layer, an ohmic layer, and a second con
7026100 Active matrix substrate having column spacers integral with protective layer and process for fab April 11, 2006
An active matrix substrate forms a liquid crystal display panel together with a counter substrate and liquid crystal filling a gap therebetween, and color filters are covered with an overcoat layer of photo-sensitive acrylic resin, wherein column spacers of the photo-sensitive acrylic
7015996 Transflective liquid crystal display device with varying liquid crystal layer thickness as a fun March 21, 2006
In a semi-transmissive liquid crystal display device, the thickness of liquid crystal layer in the reflective region can be adjusted by controlling the film thickness of the organic insulating film for reflection and the film thickness of the color layer for reflection. Furthermore,
7015995 Liquid crystal display having undulated anisotropic reflection electrodes and openings therein March 21, 2006
An anisotropic reflection electrode has an undulated shape and whose normal direction is distributed unevenly to a specific azimuth angle and whose reflection light intensity depends on said azimuth angle. Openings are formed in that area of the reflection electrode which has a tilt
7008829 Alignment marks and manufacturing method for the same March 7, 2006
Alignment marks are formed when source and drain electrodes of a TFT are formed and thereon a thick red filter is formed. So that, the following respective color layers can be made thin on the red filter. Also, the exposure alignment laser permeates in an exposure step, and thereby the
6977698 Liquid crystal display December 20, 2005
A reflection electrode has an undulated shape and whose normal direction is distributed unevenly to a specific azimuth angle and whose reflection light intensity depends on said azimuth angle. Openings are formed in that area of the reflection electrode which has a tilt angle of 0 degree
6943856 Reflection plate, reflection type liquid crystal display apparatus, and method of manufacturing September 13, 2005
To provide a reflection plate and a reflection type liquid crystal display apparatus, in which a light from a light source of a fluorescent light or the sun light can be effectively used to thereby increase an amount of lights to be reflected to an observer side so that a bright display
6937302 Liquid crystal display device with particular smoothed insulating layer and method of fabricatin August 30, 2005
A liquid crystal display device including a first substrate, a second substrate facing and spaced away from the first substrate, a liquid crystal layer sandwiched between the first and second substrates, a switching device formed on the first substrate, a first electrically insulatin
6927822 Orientation division type liquid crystal display, fabrication method thereof and image display m August 9, 2005
In an orientation division type liquid crystal display device for widen a viewing angle of a display pixel of an active matrix type liquid crystal color display device having a COT structure, pixel color layers (6B, 6R, 6G) as color filters and pixel electrodes 3 are formed on a substrat
6917393 Liquid crystal display device July 12, 2005
There is provided a liquid crystal display device comprising a plurality of pixels arranged in a matrix form, each of the pixels including a pixel electrode formation area wherein a pixel electrode is formed and a thin film transistor formation area wherein a thin film transistor is form
6897927 Color liquid crystal display device and manufacturing method of the same May 24, 2005
In a manufacturing method of a color liquid crystal display device, a first conductive film is formed on a transparent insulating substrate to form a gate electrode and a gate bus line (first PR process). A gate insulating film, a semiconductor layer, an ohmic layer, and a second conduct
6891196 Active matrix substrate and manufacturing method therefor May 10, 2005
An active matrix substrate of a channel protection type having a gate electrode, a drain electrode and a pixel electrode is isolated in each layer by insulating films. The active matrix substrate is to be prepared by four masks. A gate electrode layer, a gate insulating film and an a-Si
6879359 Reflection type liquid crystal display provided with reflective layer, coplanar gate electrode, April 12, 2005
A reflection type liquid crystal display provided with a reflective layer, a coplanar gate electrode, a color filter layer and a transparent pixel electrode and a manufacture method thereof. The reflection type liquid crystal display can be manufactured on the same manufacture line as th
6870592 Liquid-crystal display panel with spacer in pixel electrode contact hole and method for manufact March 22, 2005
In a liquid-crystal display panel, columnar spacers are formed on a substrate on the transparent electrode side in minimally a part of the pixel parts of a plurality of pixel parts, in which there is little variation in the film thickness of a plurality of films formed over the subst
6862057 Active-matrix addressed reflective LCD and method of fabricating the same March 1, 2005
In order to improve processing steps of fabricating an active-matrix addressed reflective liquid crystal display, a lower substrate, which is positioned at one side with respect to a liquid crystal layer, is provided with two electrodes in parallel with each other and in parallel with th
6853421 Transflective type LCD and method for manufacturing the same February 8, 2005
In a transflective type LCD provided with a transparent region and a reflection region in each pixel, when an irregular film 11 is formed on an active matrix substrate 12 to form irregularities of a reflection electrode film 6, the irregular film 11 is specifically formed to almost t
6853408 CF on TFT liquid crystal display having reduced dot defects February 8, 2005
A CF on TFT type liquid crystal display and a method of manufacturing the same. The liquid crystal display has a plurality of parallel scanning lines, a plurality of parallel data lines which cross the scanning lines, thin film transistors each disposed in the proximity of an intersectio
6829025 Liquid crystal display device effective against color irregularity December 7, 2004
The thickness of a liquid crystal layer of a reflection type or semi-transparent type liquid crystal display device and the driving voltage are determined in such a manner that the reflectance of the liquid crystal layer to the blue light component has a maximum value; the values of
6822704 Active matrix liquid crystal display device November 23, 2004
An active matrix liquid crystal display device which has color filters disposed on a TFT (Thin-Film Transistor) substrate, and which reduces the effect of light leakage regions over data lines for an increased viewing angle. The liquid crystal display device has the data lines disposed o
6812986 Liquid crystal display and method of manufacturing the same and method of driving the same November 2, 2004
A liquid crystal display having a wide viewing angle and easily manufactured. The liquid crystal display comprises an upper substrate and a lower substrate, and a liquid crystal material disposed between the upper substrate and the lower substrate. The liquid crystal display has a co
6806926 Reflection-type color liquid crystal display apparatus and method for manufacturing the same October 19, 2004
An opposite substrate of a reflection-type color liquid crystal display apparatus has a transparent insulation substrate made of glass or the like. An uneven portion is formed on a surface of the opposite substrate on the side of a liquid crystal. A flattened film made of acryl, polyimid
6788355 Active matrix LCD panel September 7, 2004
A method for fabricating an active matrix LCD panel for use in an active matrix LCD device includes the step of forming a passivation layer acting as a channel protection layer for protecting an amorphous silicon active layer, thereby reducing the number of photolithographic steps. A
6787930 Alignment marks and manufacturing method for the same September 7, 2004
Alignment marks are formed when source and drain electrodes of a TFT are formed and thereon a thick red filter in formed. So that, the following respective color layers can be made thin on the red filter. Also, the exposure alignment laser permeates in an exposure step, and thereby the
6768530 Orientation division type liquid crystal display, fabrication method thereof and image display m July 27, 2004
In an orientation division type liquid crystal display device for widen a viewing angle of a display pixel of an active matrix type liquid crystal color display device having a COT structure, pixel color layers (6B, 6R, 6G) as color filters and pixel electrodes 3 are formed on a substrat
6750934 Active-matrix liquid crystal display June 15, 2004
A VA (Vertical Aligned) type active-matrix liquid crystal display capable of stabilizing a boundary position between divided areas (alignment areas). The liquid crystal display comprises a TFT (thin film transistor) substrate including a pixel electrode provided for each pixel and a
6704076 Method for fabricating a liquid crystal display device March 9, 2004
Color filters of R, G and B consisting of a negative resist film are simultaneously exposed by use of a photomask intercepting light for the regions connected to the transparent pixel electrodes after the source electrodes. Then, the color filters are simultaneously developed. Since
6693697 Active-matrix type liquid crystal display device having thick and thin overcoat layers layered o February 17, 2004
A liquid crystal display device is made up of a TFT substrate, an opposed substrate and a liquid crystal layer arranged between these substrates, in which the TFT substrate is provided with gate lines, data lines and TFT on its transparent insulative substrate, in addition, a passivation
6690446 Color liquid crystal display panel, manufacturing method of the same, and liquid crystal display February 10, 2004
In a color liquid crystal display panel of a CF-on-TFT structure having a black matrix and a color filter formed on a TFT substrate, reflected light is reduced by selecting and controlling a gap (d) of the CF-on-TFT panel and refractive index anisotropy (.DELTA.d) of a liquid crystal mat
6674093 Active matrix substrate and manufacturing method therefor January 6, 2004
An active matrix substrate of a channel protection type having a gate electrode, a drain electrode and a pixel electrode isolated from one another from layer to layer by insulating films. The active matrix substrate is to be prepared by four masks. A gate electrode layer, a gate insu
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