Patent application number | Description | Published |
20080259265 | Liquid crystal display device - Below a transparent pixel electrode, an opaque pixel electrode is arranged while sandwiching an insulation film between the transparent pixel electrode and the opaque pixel electrode. A common electrode is arranged below the opaque pixel electrode thus forming a holding capacitance between the common electrode and an opaque metal electrode. In case when the pixel is divided into four or more portions, an interval between the pixel electrode and the common electrode is set to an unequal pitch size or an unequal electrode width within one pixel. | 10-23-2008 |
20090207351 | Display Device - The present invention provides a liquid crystal display device which exhibits the excellent wide viewing angle characteristic and the high-speed responsiveness. A pixel region includes a switching element which is operated in response to a scanning signal from a gate signal line, a pixel electrode to which a video signal from a drain signal line is supplied through a switching element, and a counter electrode which generates an electric field between the counter electrode and the pixel electrode. The pixel region is constituted of divided respective regions. In one region, the counter electrode made of a light-transmitting material which is formed on the center except for a slight periphery of the region below an insulation film and the pixel electrode which is constituted of a group of electrodes which extend in one direction and are arranged in parallel to each other in the direction which intersects one direction above the insulation film in a state that the group of electrodes are overlapped to the counter electrode are formed. In another region, the counter electrode which is constituted of a group of electrodes which extend in one direction and are arranged in parallel to each other in the direction which intersects one direction below the insulation layer and the pixel electrode which is constituted of a group of electrodes which extend in one direction and are arranged in parallel in the direction which intersects one direction above the insulation film and is arranged alternately with the counter electrode are formed. | 08-20-2009 |
20100002174 | Liquid crystal display device having rectangular-shaped pixel electrodes overlapping with comb-shaped counter electrodes in plan view - The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor. | 01-07-2010 |
20100110333 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel, and a backlight which is arranged on a back surface of the liquid crystal display panel, wherein the backlight includes a plurality of optical sheets, and at least one optical sheet is displaced so as to adjust a viewing angle. | 05-06-2010 |
20100309419 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a first substrate; a second substrate; a liquid crystal layer sandwiched between the first and the second substrates; a first polarization plate placed on a side of the first substrate; a second polarization plate placed on a side of the second substrate; and a pixel electrode and a common electrode which are provided on the side of the second substrate on which the liquid crystal layer is placed, in which: at least one of the pixel electrode and the common electrode is interdigital; and the liquid crystal layer has flexoelectric coefficients e | 12-09-2010 |
20110025935 | LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device capable of decreasing the driving voltage of a liquid crystal display panel. The liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a pixel electrode and a common electrode arranged between the second substrate and the liquid crystal layer. Either one of the pixel electrode or the common electrode has an interdigital shape. An absolute value of both flexoelectric coefficients e | 02-03-2011 |
20110211149 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer formed between the first substrate and the second substrate, and a transistor formed in a pixel. A first insulating layer is formed over the transistor, a first electrode is formed on the first insulating layer, a second insulating layer is formed on the first electrode, a second electrode is formed on the second insulating layer, and the first electrode has a plane shape and the second electrode has a line shape portion. | 09-01-2011 |
20110211150 | Display Device - A display device includes a pair of substrates with liquid crystal therebetween, and a plurality of pixel regions provided on one substrate. Each pixel region is constituted of one and another region including a switching element, a pixel electrode, and a counter electrode. In the one region, the counter electrode extends substantially planar at a center except at a periphery of the one region, and the pixel electrode is constituted of a first group of electrodes which extend in one direction and arranged in parallel at a first distance. In the another region the counter electrode is constituted of a group of electrodes which extend in one direction and arranged in parallel in a direction which intersects the one direction in the another region, and the pixel electrode is constituted of a second group of electrodes which extend in the one direction and arranged in parallel at a second distance. | 09-01-2011 |
20110234958 | Transflective liquid crystal display device - To improve display quality in a transflective liquid crystal display device. | 09-29-2011 |
20110234959 | Liquid crystal display device having rectangular-shaped pixel electrodes overlapping with comb-shaped counter electrodes in plan view - The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor. | 09-29-2011 |
20110285949 | Transflective Liquid Crystal Display Device - A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer formed between the first substrate and the second substrate, and a transistor formed in a pixel. A first insulating layer is formed over the transistor, a first electrode is formed on the first insulating layer, a second insulating layer is formed on the first electrode, a second electrode is formed on the second insulating layer, and the first electrode has a bumpy plane shape and the second electrode has a line shape portion. | 11-24-2011 |
20120002152 | Display Device - A display device includes a plurality of pixel regions each of which is surrounded by a pair of gate signal lines and a pair of the drain signal lines. Each of the pixel regions includes a first electrode and a second electrode formed on one substrate and each of the pixel regions is constituted of a first region and a second region which are arranged in a direction in which the pair of the drain signal lines extend. In the pixel region, the first electrode is formed in a planar shape and below an insulation film, and the second electrode has a plurality of linear parts which extend linearly and are arranged with respect to each other and is formed above the insulation film. | 01-05-2012 |
20120074415 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device, in which: the gate lines include a first gate line and a second gate line for respectively outputting the scanning signals at two different scanning timings for each of scanning lines; and a unit pixel for color display, constituted by three pixels corresponding to a red (R) pixel, a green (G) pixel, and a blue (B) pixel arranged side by side, is formed in a region surrounded by the first gate line, the second gate line, and the drain lines, and the three pixels corresponding to the red (R) pixel, the green (G) pixel, and the blue (B) pixel are arranged in matrix for the each unit pixel. | 03-29-2012 |
20120099066 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device ( | 04-26-2012 |
20120105787 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having a high definition screen in which a pixel electrode is formed in a region surrounded by a gate line and a drain line, and a trapezoidal protrusion having an upper surface and inclined surfaces is formed below the gate line. Since a TFT is formed over a trapezoidal protrusion and a channel portion is formed over the upper surface and the inclined surfaces of the trapezoidal protrusion, the width of the channel portion can be enlarged compared to that of a channel portion formed over a plane. The pixel electrode is in contact with a source electrode at the inclined surface of the trapezoidal protrusion. This configuration allows the TFT and a contact of the pixel electrode and a source electrode to be formed over part of the trapezoidal protrusion. | 05-03-2012 |
20120127409 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a thin film transistor substrate; a counter substrate which is arranged to face the thin film transistor substrate in an opposed manner; and a liquid crystal layer sandwiched between the thin film transistor substrate and the counter substrate, wherein the thin film transistor substrate includes a first electrode and a second electrode for applying an electric field in a substrate in-plane direction, the first electrode includes a plurality of strip portions which extend in a predetermined direction, and a chiral dopant which imparts the rotation in a direction opposite to a rotational direction of liquid crystal induced by an electric field applied between the strip portions and the second electrode is added to the liquid crystal layer. | 05-24-2012 |
20120133877 | Liquid Crystal Display Device Having Rectangular-Shaped Pixel Electrodes Overlapping with Comb-Shaped Counter Electrodes in Plan View - The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor. | 05-31-2012 |
20120257157 | METHOD OF MANUFACTURING A DISPLAY DEVICE AND INTERMEDIATE PRODUCT USED THEREFORE - An intermediate product where a pair of inorganic substrates facing each other in an opposed manner is provided and a sealed space is formed by an organic sealing member between the pair of inorganic substrates is prepared. The inorganic substrates are cut outside the sealed space. A circuit for an image display is formed on at least one of opposedly facing surfaces of the inorganic substrates in the sealed space. The intermediate product includes a flow passage which is defined by a surface of at least one of the inorganic substrates and the organic sealing member outside the sealed space. The step of cutting the inorganic substrates includes forming a groove by allowing an etchant for an inorganic material to flow into the flow passage and by etching the surface of at least one of the inorganic substrates along the flow passage. | 10-11-2012 |
20130070177 | LIQUID CRYSTAL DISPLAY DEVICE HAVING RECTANGULAR-SHAPED PIXEL ELECTRODES OVERLAPPING WITH COMB-SHAPED COUNTER ELECTRODES IN PLAN VIEW - The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor. | 03-21-2013 |
20130248898 | Liquid Crystal Display Device - A liquid crystal display device includes a TFT substrate with gate lines and drain lines, and pixel electrodes each formed in a region surrounded by the gate lines and drain lines. Protrusions are formed below the gate lines, each of the protrusions having an upper surface and at least one inclined side surface. A gate insulating film is formed over the gate lines, a semiconductor layer formed on the gate insulating film, and drain electrodes formed and source electrodes formed over the semiconductor layer. Channel portions are defined by the space between the drain electrodes and the source electrodes, each of the channel portions being formed covering the upper surface and at least one of the at least one inclined side surface of one of the protrusions, the pixel and source electrode being in contact with each other on at least one inclined side surface of the protrusion. | 09-26-2013 |
20130265512 | Liquid Crystal Display Device - A lighting device including a light source, a light guide plate, a first prism sheet which is arranged over the light guide plate, and a second prism sheet which is arranged between the first prism sheet and the light guide plate. The first prism sheet includes first prisms which are formed parallel to each other in the first direction on a first surface which is opposite to the second prism sheet, and the second prism sheet includes second prisms. | 10-10-2013 |
20140028943 | Liquid Crystal Display Device - A liquid crystal display device includes a thin film transistor substrate, a counter substrate, a liquid crystal layer sandwiched between the thin film transistor substrate and the counter substrate. The thin film transistor substrate includes a first electrode and a second electrode for applying an electric field in a substrate in-plane direction, the first electrode includes a plurality of strip portions which extend in a predetermined direction. A chiral dopant which imparts rotation in a direction opposite to a rotational direction of liquid crystal induced by an electric field applied between the strip portions and the second electrode is added to the liquid crystal layer, and the first electrode further includes bent portions which are bent from the strip portions. | 01-30-2014 |
20140176889 | Liquid Crystal Display Device - A liquid crystal display device includes a pixel electrode, a common electrode, and an insulating layer which is formed between the pixel electrode and the common electrode. The pixel electrode or the common electrode includes at least one strip shaped portion which is extended in a first direction. A first thickness of the insulating layer between the pixel and common electrodes at a first portion extending from a vicinity of end of the at least one strip shaped portion in the first direction toward the end of the at least one strip shaped portion is thicker than a second thickness of the insulating layer between the pixel and the common electrodes at a second portion extending from the vicinity of end of the at least one strip shaped portion in the first direction toward a center of the at least one strip shaped portion. | 06-26-2014 |
20140362320 | LIQUID CRYSTAL DISPLAY DEVICE - Gate lines are arranged in a first direction. Drain lines are arranged in a second direction. A first electrode has slits formed therein. Aperture regions surrounded by the drain lines and the gate lines include an aperture region including the slits having a first inclined angle and an aperture region including the slits having a second inclined angle, the second inclined angle being different from the first inclined angle. The aperture region including the slits having the first inclined angle and the aperture region including the slits having the second inclined angle are alternately formed in the first direction. Within the aperture regions arranged adjacent to each other in the first direction, a first region and a second region forming a pair by being arranged so as to be opposed to each other via one of the gate lines form one of pixels. | 12-11-2014 |