Abstract: A pixel electrode and a thin film transistor connected to the electrode are provided above one substrate. A shading film is provided above another substrate. The shading film has an overhanging portion defining a corner cutting in an opening area of each pixel in the crossing area where the data line and the scan line cross with each other. A channel region of the thin film transistor is arranged in the crossing areas. Thus, light resistance is enhanced and a high-grade image is displayed in an electro-optical apparatus.

Abstract: To provide a portable information processing system with which downsizing and increase in display capacity may be realized. The portable information processing system according to the present invention displays, on an HMD (head mount display) worn by a user on his or her head, an image displayed on a display portion of a portable information terminal. The system employs wireless information transmitting/receiving means such as infrarer-ray data communication or data communication by radio wave to transmit and receive information between the portable information terminal and the HMD.

Abstract: A color filter substrate for a liquid crystal display includes a transparent substrate, and color filters formed on the substrate each with a groove. A transparent conductive layer is deposited onto the color filters to form a common electrode. A chrome layer and a chrome oxide layer are sequentially deposited onto the common electrode to form a black matrix layer. An organic film is formed on the black matrix layer. The organic film suffers ashing such that only the portion of the organic film placed over the groove is left over, and other portions are all removed while exposing the black matrix layer. The exposed portion of the black matrix layer is removed through etching. In this way, the color filter substrate is completed in a simple manner.

Abstract: In a method of fabricating a thin film transistor array substrate, a black matrix with horizontal and vertical portions is first formed on a substrate with an opaque conductive material. A gate line assembly is formed on the black matrix, and buffer layers are formed between the separate portions of the black matrix. A gate insulating layer, a semiconductor layer, and an ohmic contact layer are sequentially deposited onto the substrate. And a data line assembly is formed on the ohmic contact layer. The ohmic contact layer exposed through the data line assembly is etched, and a protective layer is deposited onto the substrate. The protective layer, the gate insulating layer, and the semiconductor layer are patterned to form contact holes and opening portions exposing the insulating layer at pixel areas. The peripheral portions of the black matrix are also exposed through the opening portions.

Abstract: To achieve clear image display without providing a feeling of roughness by fixing the position where disclination is generated in a liquid crystal device of a homeotropic alignment type, a conductive light shielding film provided on the side of an opposed substrate as a common electrode to drive a liquid crystal layer by pixel electrodes of an array substrate and the light shielding film of the opposed substrate.

Abstract: Disclosed is a fringe field switching liquid crystal display, which prevents disclination lines from being created at a wedge section and improves liquid crystal polarization efficiency of a pixel electrode. The fringe field switching liquid crystal display comprises upper and lower substrates arranged while forming a space between them, a conductive black matrix formed on a lower surface of the upper substrate, a common electrode formed on an upper surface of the lower substrate, a gate insulation layer formed on an upper surface of the common electrode, and a pixel electrode formed on an upper surface of the gate insulation layer. Herein, the pixel electrode forms an electric field and includes a fringe portion having a saw-tooth shape, which forms one of 1-domain and 2-domain among the pixel electrode, the conductive black matrix, and the common electrode.

Abstract: A liquid crystal display device includes a first substrate including a thin film transistor, a data line, a pixel electrode, and a common electrode, a second substrate, and liquid crystal sandwiched between the first and second substrates, wherein an image signal is applied to the thin film transistor through the data line to generate an electric field between the pixel electrode receiving the image signal and the common electrode such that the liquid crystal is rotated by the electric field in a plane which is in parallel with the first substrate. The first substrate includes an electrically insulating inorganic film covering the data line therewith, a first island-shaped electrically insulating organic film formed on the electrically insulating inorganic film above the data line, and a shield common electrode covering the first island-shaped electrically insulating organic film therewith and overlapping the data line when viewed vertically.

Abstract: A thin film transistor (TFT) array substrate has a plurality of pixel units. A plurality of signal lines and a plurality of scanning lines are formed on the substrate. Each of the plurality of paired and adjacent signal lines and each of the plurality of scanning lines are arranged in a matrix form to define each pixel unit. Each pixel unit includes at least two pixels, which are abreast of the paired and adjacent signal lines. This structure thereby provides a TFT array substrate with high aperture ratio pixel structure.

Abstract: A liquid crystal display device having transistors disposed at the intersections of gate lines and source lines, pixel electrodes connected with the transistors, opposite electrodes opposite to these pixel electrodes, and liquid crystal held between said opposite electrodes and said pixel electrodes is disclosed. The pixel electrodes comprise a first pixel electrode and a second pixel electrode. The second pixel electrode are disposed in a layer above an insulating layer which is itself disposed in a layer above the first pixel electrode. The second pixel electrode has a region that does not overlap with the first pixel electrode. The second pixel electrode are electrically connected with the first pixel electrode.

Abstract: A method for manufacturing a color filter (30) includes: preparing a transparent substrate (34); forming a black matrix (33) on the transparent substrate, the black matrix including an antireflection layer (332) formed on the transparent substrate and a light-shielding layer (333) formed on the antireflection layer, the antireflection layer including a first antireflection film (3321) having a first index of refraction, and a second antireflection film (3322) having a different second index of refraction, the black matrix defining a plurality of apertures arranged in an array; and coating a color resin layer (32) on the transparent substrate and the black matrix.

Abstract: A liquid crystal display device comprising a first substrate, a second substrate, a liquid crystal layer and a shading film is provided. The first substrate includes a display region and a non-display region. The liquid crystal layer is sandwiched between the first substrate and the second substrate. The shading film is located between the first substrate and the liquid crystal layer covering the non-display region. With the shading film covering the entire non-display region, the problem of light leakage from the edge of the display device is resolved.

Abstract: An In-Plane Switching mode liquid crystal display device includes a first substrate and a second substrate, a plurality of gate lines and data lines defining a plurality of pixels on the first substrate, a driving device disposed in each of the plurality of pixels, at least one pair of a first electrode and a second electrode arranged in each of the plurality of pixels to generate a horizontal electric field, a black matrix formed on the second substrate and having a slot around the plurality of pixels, and a liquid crystal layer formed between the first substrate and the second substrate.

Abstract: A reflective liquid crystal display device includes a first substrate including a display region and a first non-display region, the first non-display region being disposed at a boundary of the display region. A second substrate faces and is spaced apart from the first substrate, the second substrate including a second non-display region corresponding to a portion larger than the first substrate. A light absorption layer is on an inner surface of the first substrate. A cholesteric liquid crystal color filter (CCF) layer is at the display region and the first non-display region is on the light absorption layer. A common electrode is on the CCF layer. An array element is on an inner surface of the second substrate. A light shielding pattern is on the array element, the light shielding pattern corresponding to the CCF layer at the first non-display region. A retardation plate and a polarizing plate are sequentially formed on the outer surface of the second substrate.

Abstract: A method of forming a storage capacitor in an IPS liquid crystal display device is proposed, and a technique of forming a pixel region having a high aperture ratio is provided. An anodic oxidation process at an applied voltage/voltage supply time ratio of 11 V/min is performed for insulating films used in each circuit of an electro-optical device, typically an IPS method LCD, in particular for the surface of a common electrode formed on a resin film. The amount of formation of the extra anodic oxide film can be reduced by covering with an anodic oxide film, and a liquid crystal display device with high reliability and having an electrode with superior adhesion can be manufactured.

Abstract: A light shielding film capable of shielding against light entering an active layer of a TFT and electroconductive is formed on the lower layer side of the active layer. Electrical stress is applied by causing a current in an insulating film between source and drain electrodes and the light shielding film to introduce a trap level at a density at least about 5×1012/cm2 into a source region and a drain region in a surface portion of the active layer on the light shielding film side.

Abstract: In a liquid crystal display device having a pixel board on which light shielding film 3, first insulating film 10, semiconductor layer, second insulating film 11 serving as a gate insulating film and gate wires 4 are formed, a source region, a drain region and a channel region or both of a channel region and LDD (Light doped drain) region being formed in the semiconductor layer, the light shielding film 3 is made of a conductive material, and contact holes 6 for connecting each gate line and the light shielding film are provided in the neighborhood of the side surface of the channel region or/and the LDD region.

Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line on the substrate, the gate line connected to a gate pad, a data line on the substrate, the data line connected to a data pad and crossing the gate line for defining a pixel region, a thin film transistor connected to the gate line and the data line, the thin film having a gate electrode and source and drain electrodes, a passivation layer having a first contact hole exposing the drain electrode, a second contact hole exposing the gate pad, and a third contact hole exposing the data pad, a black matrix on the passivation layer, a first conductive pattern covering the first contact hole, a pixel electrode on the passivation layer at the pixel region, the pixel electrode contacting the first conductive pattern, an auxiliary gate pad connected to the gate pad through the second contact hole, and an auxiliary data pad connected to the data pad through the third contact hole.

Abstract: An active matrix liquid crystal display device having a pair of substrates with liquid crystal layer therebetween, a plurality of video signal lines and a plurality of scan lines formed on one of the pair of substrates and a plurality of pixel electrodes connected to the video signal line through an active device and a plurality of color filters formed on another of the pair of substrates. A shield electrode which overlaps with one of the video signal lines in plane view is arranged between the one of the video signal lines and one of the color filters, and a planarization layer is arranged between one of the pixel electrodes and the shield electrode.

Abstract: Disclosed are a liquid crystal display (LCD) device and a method for assembling the LCD device. The LCD device has a display section for displaying images, a receiving container for receiving the display section, a power supplying section for supplying a power source to the display section, a signal converting section for converting signals from the display section and a securing section for securing the power supplying section and the signal converting section to the receiving container. The power supplying section and the signal converting section are disposed between the display section and the securing section that is directly facing to a rear surface of the receiving container. Accordingly, a total thickness and weight of the LCD device can be minimized and an assembly facility of the LCD device can be improved.

Abstract: The liquid crystal display device has a structure having substrates 200 and 300 adhered to each other by a sealing material 110 with a predetermined gap therebetween and having liquid crystal 160 enclosed in the gap. On an opposing surface of the substrate 200, transparent electrodes 214 are formed, and on an opposing surface of the substrate 300, segment electrodes 314 are formed. The common electrodes 214 are connected to wiring 350 formed on the substrate 300 via conductive particles 114 mixed in the sealing material 110, and the wiring 350 are each a laminated film of a transparent conductive film 354 composed of the same conductive layer as that of the segment electrode 314 and a low-resistance conductive film 352 composed of a low-resistance material, such as chromium, having a resistance lower than that of the transparent conductive film 354. However, the low-resistance conductive film 352 is formed at an area other than the portion connecting with the conductive particles 114.

Abstract: An in-plane switching mode LCD device includes a shield common electrode having a protrusion protruding from side edges of a drain line, and a pair of light shield films sandwiching therebetween the drain line and having an overlapping portion overlapping the protrusion. The shield common electrode shields the electric field from the drain line, and the light shield films improve the contrast ratio of the LCD device.

Abstract: A control signal unit includes a substrate, a signal line formed on the substrate, and an insulating layer covering the signal line. A contact hole exposes the signal line with a predetermined width. The contact hole has a lateral side bordering on the signal line. The lateral side of the contact hole is longer than the width of the contact hole. A subsidiary signal pad is connected to the signal line through the contact hole.

Abstract: A blocking mask and an electrode coating are formed using a gold film. The blocking mask and the electrode coating are formed together by printing an organic gold paste only in a necessary part and baking the printed organic gold paste.

Abstract: The present invention discloses a liquid crystal display with a narrow frame area. The liquid crystal display comprises a first substrate, plural scan line metal layers and plural data line metal layers formed on the first substrate, a second substrate attached to the first substrate by applying a seal at a periphery of one of the first substrate and the second substrate, and an opaque layer formed on the second substrate at the inside of the seal. In which, the scan line metal layers and the data line metal layers extend to the outside of the seal, and overlap with each other to form an integrated black matrix on the first substrate, which overlaps with the opaque layer on the second substrate so as to prevent a light leakage in an overlapped area thereof and narrow down the frame area.

Abstract: An electro-optical device includes a display electrode disposed in an image display region of a TFT array substrate, a pattern portion including at least one of wiring and a circuit element connected to the display electrode directly or through a pixel switching element and provided in a frame region, which defines the periphery of the image display region, and a lower shielding film for covering the TFT array substrate side of at least a portion of the pattern portion. Therefore, in the electro-optical device such as a liquid crystal device, a light-dark pattern due to the wiring and the circuit element provided in the frame region can be prevented from being projected near the edge of a display image.

Abstract: A liquid crystal display (LCD) device includes an upper substrate, a lower substrate including an active area having a plurality of thin film transistors and a non-active area, a first resin black matrix beneath the upper substrate at a position corresponding to the active area, a black seal pattern along edges of the upper substrate, and a second resin black matrix between the active area and the black seal pattern.

Abstract: A color filter substrate of an LCD includes: a substrate having a plurality of pixel regions; a first black matrix formed between the pixel regions on the substrate; a second black matrix formed at an upper portion of the first black matrix and separating each pixel region; and a color layer formed at the pixel region. Overflowing of the ink solution caused as the characteristics of the resin black matrix is changed due to the absorption of the solvent contained in the ink solution is prevented, an yield of the ink of the color filter can be improved, and a reliability of process can be obtained.

Abstract: A liquid crystal display device with a negative display when no current is supplied. The device includes a liquid crystal layer that is built into an active zone between substrates, the exterior of each of the substrates is covered by pole filters that are aligned in an arrangement for the currentless negative display. The interior of the substrates has segments of surface electrodes that are separated from one another by electrically insulating dividing lines, the segments being connected to connection lines that lead to the exterior. Masking is provided on the interior of the substrate for areas that would otherwise remain bright during retrace blanking.

Abstract: A TFT array substrate blocks light traveling toward active layers of the TFTs. A patterned first light-shielding layer is formed between a transparent plate and TFTs to overlap with the active layers of the TFTs. A patterned third light-shielding layer is formed to cover the TFTs on the opposite side to the plate with respect to the TFTs. The third light-shielding layer has the first parts extending along rows of the matrix and the second parts extending along the columns thereof. A patterned second light-shielding layer is formed between the first light-shielding layer and the TFTs. The second light-shielding layer has a light-absorbing property, which absorbs the light entering the inside of the substrate. A patterned fourth light-shielding layer may be additionally provided between the TFTs and the third light-shielding layer.

Abstract: A color filter and fabricating method thereof. The color filter includes a transparent substrate, provided with a plurality of parallel first light-shielding lines, extending in a first direction, and a plurality of parallel second light-shielding lines, extending in a second direction, wherein a sub-pixel area is defined by two adjacent first light-shielding lines and two adjacent second light-shielding lines. A color-filtering area is formed in the sub-pixel area. An electrode layer is formed on the transparent substrate. At least one insulating line is formed on the electrode layer, directly above a part of the first or the second light-shielding lines, and a conductive line is formed on the insulating line, extending over both ends of the insulating line to electrically connect the electrode layer.

Abstract: The present invention provides an electro-optic device that displays high-quality images without irregular display along data lines arising from variations in the potential of pixel electrodes by energization to the data lines in an electro-optic device. The electro-optic device can have a multilayer structure including a substrate, TFTs, scanning lines, storage capacitance, data lines, and pixel electrodes, each of which is arranged on the substrate in this order. In this electro-optic device, a third interlayer insulator positioned between the data lines and the pixel electrodes has a relative dielectric constant lower than that of a dielectric film constituting the storage capacitance. The third interlayer insulator preferably has a relative dielectric constant lower than those of first and second interlayer insulators.

Abstract: In a liquid crystal display device which performs image display by controlling a liquid crystal layer by a lateral electric field that is parallel with a substrate, the lateral electric field is formed by a black matrix and a pixel electrode. That is, a common electrode and a black matrix are commonized which are separately provided conventionally. Further, a storage capacitor is formed in an area where the black matrix and a pixel line coextend with a third interlayer insulating film interposed in between. Since the storage capacitor is formed by using all the area where a thin-film transistor is covered with the black matrix, sufficient capacitance can be secured even if the widths of electrodes and wiring lines are reduced in the future.

Abstract: A liquid crystal display device comprises a poly-silicon TFT substrate having a condenser type digital analog converter, an another substrate disposed so as to face the poly-silicon TFT substrate, and liquid crystal positioned between the poly-silicon TFT substrate and the another substrate. In this liquid crystal device, a light blocking film is formed on a surface of the another substrate and contacts with the liquid crystal. The light blocking film has a resistance larger than n·?/CLC wherein n is a number of bits of the condenser type digital analog converter, ? is an operation stabilizing time of a condenser per one bit, and CLC is electrostatic capacitance between the poly-silicon TFT substrate and the another substrate.

Abstract: An in-plane switching mode liquid crystal display device includes first and second substrates, a gate line and a data line arranged along first and second directions on the first substrate to define a pixel area, a passivation layer on the first substrate except within the pixel area, a light blocking system on the first substrate and on a stepped portion of the passivation layer adjacent to the data line, a plurality of common electrodes disposed within the pixel area, at least one of the common electrodes overlap a portion of the data line, and a plurality of pixel electrodes disposed within the pixel area, wherein the pixel electrodes and the common electrodes form a lateral electric field.

Abstract: An image display apparatus comprises a pixel electrode, a common electrode, an aperture defined between the pixel electrode and the common electrode. The image display apparatus also includes a scanning line, a signal line, and a shield layer separate from the common electrode to block an electric field generated by at least one of the scanning line and signal line from passing through the aperture.

Abstract: The invention provides a light reflector and a light-reflective liquid crystal display device with the improved image quality. A plurality of projection sets 8 are formed on the substrate 1, each of said plurality of projection sets 8 comprising one projection 6 and seven projections 6 arranged around said one projection 6. After the formation of those projection sets 8, the planarizing film 9 and then the pixel electrode 10 are formed in sequence.

Abstract: A liquid crystal device 1 has liquid crystal 110 provided between a counter substrate 2a and a color filter substrate 2b. The liquid crystal device 1 has a pixel region 100, a first peripheral region 101 surrounding this pixel region 100, and a second peripheral region 102 surrounding the first peripheral region 101. In the first peripheral region 101, a color layer 120 is disposed which is formed of the same color material as that for a reflective blue color layer 150B disposed in the pixel region 100. In the second peripheral region 102, a laminate film 140 composed of color layers 140B, 140R, and 140B is disposed, these color layers described above being formed of the same color materials as those for a non-reflective blue color layer 160B, a non-reflective red color layer 160R, and a non-reflective green color layer 160G, respectively.

Abstract: A liquid crystal display panel includes a plurality of gate lines and data lines formed on a substrate, a plurality of pixel electrodes receiving data signals having different polarities from each other, a semiconductor layer formed along a direction of each of the data lines at a lower part of the data lines, and a plurality of light-shielding patterns formed along the direction of the data lines, wherein each of the light-shielding patterns overlap opposing edges of the data line and the semiconductor layer.

Abstract: A method for processing a semiconductor substrate includes providing a substrate having at least one filter region with a plurality of bond pads in it. Metal is deposited above the bond pads, to reduce the bond pad step height. A planarization layer is formed such that the deposited metal has a height near to a height of the planarization layer. At least one color resist layer is formed above the planarization layer.

Abstract: In an LCD, according to an embodiment of the present invention, a projection 6 is structured on top of insulation layer 8 on a TFT glass substrate 10 and under part of a black matrix 9. The projection 6 encircles the transparent region in each pixel so that a spacer 17 cannot climb over the projection 6 and enter the transparent region even though a certain pressure is applied onto the substrates 10 and 11. The width of the projection 6 is equal to or less than the diameter of the spacer 17. The height of the projection 6 is equal to or longer than approximately 1% the length of the diameter of the spacer 17, and it is preferable that it be equal to or longer than approximately 2%.

Abstract: An active matrix substrate includes: a plurality of scan lines and signal lines on a transparent insulative substrate which cross each other; a plurality of switching elements formed at predetermined intersections of the scan lines and signal lines, the switching elements being electrically connected to the scan lines and signal lines; a connection electrode electrically connected to a corresponding one of the switching elements; an interlayer insulating film formed over the scan lines, the signal lines, the connection electrode, and the switching elements; a contact hole formed in the interlayer insulating film over the connection electrode; and a pixel electrode at each intersection, the pixel electrode being electrically connected to the connection electrode through the contact hole, wherein each of the scan lines and signal lines includes an opaque electrode layer; and the contact hole is formed such that a portion of the contact hole exists outside the connection electrode.

Abstract: An LCD device includes a transparent glass plate 122 and thin film transistor electrodes 124 formed on the glass plate 122. A photosensitive insulation film 128 is coated on the glass plate 122 and the thin film transistor electrodes 124. The insulation film 128 includes transparent and reflective regions 134 and 133 which are different in thickness. Light shielding films 126 are positioned underneath boundaries of the transparent and reflective regions 134 and 133. Where an optical exposure stage includes different reflection coefficient portions, the light shielding films 126 prevent light reflected by the exposure stage from reaching the insulation film thereby maintaining the accuracy of its patterning.

Abstract: An active matrix liquid crystal display device having a pair of substrates with liquid crystal layer therebetween, a plurality of video signal lines and a plurality of scan lines formed on one of the pair of substrates and a plurality of pixel electrodes connected to the video signal line through an active device and a plurality of color filters formed on another of the pair of substrates. A shield electrode which overlaps with one of the video signal lines in plane view is arranged between the one of the video signal lines and one of the color filters, and a planarization layer is arranged between one of the pixel electrodes and the shield electrode.

Abstract: A panel substrate includes a substrate, a plurality of display electrodes running in parallel on the substrate, and a plurality of wirings respectively continuous from the display electrodes formed on the substrate. The display electrodes and the wirings respectively have a bilayer structure of a transparent conductive layer and a metal layer. The metal layer of the display electrode is substantially narrower in width than the width of the transparent conductive layer.

Abstract: A display apparatus according to the present invention is provided with a gate line 2 formed on an insulating substrate, a source line 13 intersecting with the gate line 2 with an insulating film in between, a source electrode 6 connected to the source line 13, a drain electrode 10 connected to a pixel electrode 9, a semiconductor layer 4 formed below the source electrode 6, the source line 13, and the drain electrode 10, a light-shielding pattern 12 configured below the semiconductor layer 4 lying below the source line 13, and a backlight emitting lights from a light source to the surface of the insulating substrate opposite to where pixels are formed. In this configuration, leakage current arisen in the semiconductor layer lying below the source line, the extending pattern of the drain electrode, and so on can be suppressed.

Abstract: Upon fabricating an opposite substrate, a concave portion having a predetermined depth is formed on the surface of a transparent substrate. Then, a light-shielding film is formed in the concave portion, and further, the surface of the light-shielding film and the surface of the transparent substrate are polished so as to form the same plane. Accordingly, an orientation film formed over the transparent substrate can be flattened to realize uniformity of a rubbing treatment.

Abstract: 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 formed and connected to the pixel electrode. The thin film transistor having a semiconductor layer serving as a channel, a terminal formed to be connected to the pixel electrode, a passivation layer formed to cover the thin film transistor and an organic insulating layer covering the passivation layer. The semiconductor layer is extended from a channel toward the pixel electrode formation area beyond the terminal and terminated in the pixel electrode formation area to form a termination end that is aligned with a termination end of the passivation layer. The organic insulating layer is elongated to cover the termination ends of the semiconductor layer and the passivation layer.

Abstract: The object of the present invention is to prevent a light leakage from a boundary portion between the areas where the voltage to be applied to the liquid crystal varies, and reducing a light leakage on a contact hole provided for electrically connecting the first pixel electrode and the second pixel electrode in the case where the areas where the voltage to be applied to the liquid crystal varies are composed of two-layered pixel electrodes, namely, a first pixel electrode and a second pixel electrode.

Abstract: An in-plane switching mode liquid crystal display device includes first and second substrates, a plurality of gate lines and data lines on the first substrate to define a plurality of pixel areas, a driving element in each of the pixel areas of the first substrate, at least one first and second electrodes in each of the pixel areas of the first substrate, a black matrix on the second substrate, the black matrix being made of a black resin material having resistance not greater than 108 ?cm and a dielectric constant not less than 14, and a liquid crystal layer between the first and second substrates

Abstract: Disclosed are a liquid crystal display (LCD) device and a method for assembling the LCD device. The LCD device has a display section for displaying images, a receiving container for receiving the display section, a power supplying section for supplying a power source to the display section, a signal converting section for converting signals from the display section and a securing section for securing the power supplying section and the signal converting section to the receiving container. The power supplying section and the signal converting section are disposed between the display section and the securing section that is directly facing to a rear surface of the receiving container.