Abstract: The present invention is intended to control the color temperature of white exhibited by a liquid crystal display device. White is produced when light waves emitted through pixels associated with three colors of red, green, and blue have maximum intensities. The amounts of light emitted through the respective pixels are controlled by differentiating the shapes of the pixel electrodes disposed at the respective pixels from one another. Thus, the color temperature of white is controlled. Otherwise, the shapes of interceptive films disposed at the respective pixels are differentiated from one another in order to control light waves emitted through the respective pixels. Thus, the color temperature of white is controlled. The interceptive film may be shaped like the pixel electrode. Otherwise, the interceptive film may be realized with an interceptive pattern other than that of the pixel electrode or one of openings bored in a black matrix.

Abstract: A display device such as liquid crystal display device which restrains the entrance of static electricity into a scanning signal driver circuit or a video signal driver circuit includes a pair of substrates, a signal line, a capacitance line and a counter voltage line formed on one substrate of the pair of substrate, a pixel including a thin film transistor connected to the signal line, a pixel electrode connected to the thin film transistor and a counter electrode connected to the counter voltage line, a driver circuit formed on the one substrate and connected to the signal line and an interconnection layer disposed between the pixel and the driver circuit. At least one of the capacitance line and the counter voltage line is connected to the interconnection layer between the driver circuit and the pixel.

Abstract: A liquid crystal display device includes at least a common electrode line, a common electrode and a pixel electrode in each pixels, the common electrode line comprising a first common electrode line which extends in the extending direction of the gate lines and a second common electrode line which extends in the extending direction of the drain lines in the pixel region, the first common electrode line and the second common electrode line are spaced apart from each other by way of a first insulating film, the first common electrode line and the second common electrode line are connected via an opening portion formed in the first insulating film, and a second insulating film is formed over the opening portion.

Abstract: In a TFT type liquid crystal display device comprising first and second transparent substrates and a liquid crystal layer which is sandwiched between the first and second substrates, the first substrate includes a plurality of video signal lines, a plurality of scanning signal lines and a plurality of pixel regions which are formed as regions surrounded by the video signal lines and the scanning signal lines, each pixel region includes at least one active element, one pixel electrode and one common electrode, and color filter layers are formed between the pixel electrodes and the liquid crystal layer. The liquid crystal display device is substantially characterized in that the common electrodes are formed as layers above the color filters, the pixel electrodes are formed as layers below the color filters, and the color filters are superposed at least on the whole surfaces of the pixel electrodes in the pixel region.

Abstract: A display device such as liquid crystal display device which restrains the entrance of static electricity into a scanning signal driver circuit or a video signal driver circuit includes a pair of substrates, a signal line, a capacitance line and a counter voltage line formed on one substrate of the pair of substrate, a pixel including a thin film transistor connected to the signal line, a pixel electrode connected to the thin film transistor and a counter electrode connected to the counter voltage line, a driver circuit formed on the one substrate and connected to the signal line and an interconnection layer disposed between the pixel and the driver circuit. At least one of the capacitance line and the counter voltage line is connected to the interconnection layer between the driver circuit and the pixel.

Abstract: In a liquid crystal display device, a capacitance element uses a semiconductor layer as one electrode and is formed between the semiconductor layer and a storage capacitance line with an insulating film interposed therebetween, and a voltage which constantly brings a MOS type transistor into an ON state is applied to the storage capacitance line.

Abstract: 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.

Abstract: A pair of electrodes which constitute an upper layer and a lower layer with respect to an interlayer insulation film are formed as different layers at respective pixel regions on a liquid-crystal-side surface of one substrate out of respective substrates which are arranged to face each other in an opposed manner by way of liquid crystal. At two pixel regions which are selected from the respective pixel regions, the height of background layers on which the electrodes which constitute the lower layers with respect to the interlayer insulation films are formed differs with respect to a surface of one substrate. The film thickness of the interlayer insulation film is set small with respect to the high background layer out of respective background layers which differ in height and is set large with respect to the low background layer out of respective background layers which differ in height.

Abstract: There is provided a TFT liquid crystal display device in which the adhesion strength of a sealing material is high and the reliability of its terminals is high. In a peripheral area of the liquid crystal display device, an organic protective film underlying the area of the sealing material is collectively removed together with an inorganic protective film, and video signals are respectively led from drain lines of a display area in such a manner that the respective drain lines are temporarily connected to gate lines underlying an insulating film under the sealing material.

Abstract: A pair of electrodes which constitute an upper layer and a lower layer with respect to an interlayer insulation film are formed as different layers at respective pixel regions on a liquid-crystal-side surface of one substrate out of respective substrates which are arranged to face each other in an opposed manner by way of liquid crystal. At two pixel regions which are selected from the respective pixel regions, the height of background layers on which the electrodes which constitute the lower layers with respect to the interlayer insulation films are formed differs with respect to a surface of one substrate. The film thickness of the interlayer insulation film is set small with respect to the high background layer out of respective background layers which differ in height and is set large with respect to the low background layer out of respective background layers which differ in height.

Abstract: In a liquid crystal display device, a capacitance element uses a semiconductor layer as one electrode and is formed between the semiconductor layer and a storage capacitance line with an insulating film interposed therebetween, and a voltage which constantly brings a MOS type transistor into an ON state is applied to the storage capacitance line.

Abstract: A display device having a display element is configured such that the extending directions of electrodes are made different from each other among upper, lower, left and right pixels.

Abstract: In a liquid crystal display device of the active matrix type using in-plane switching (IPS), with at least four transmission regions being formed within a single pixel area surrounded by neighboring gate wiring lines and neighboring drain wiring lines disposed in a direction transverse to the drain wiring lines, a multilayer structure formed of two layers of conductive films with an insulating film sandwiched therebetween is provided at a pixel electrode extending from either one of the neighboring gate wiring lines toward the interior of the pixel and causes one of these two-layer conductive films (i.e.

Abstract: In a liquid crystal display device, a capacitance element uses a semiconductor layer as one electrode and is formed between the semiconductor layer and a storage capacitance line with an insulating film interposed therebetween, and a voltage which constantly brings a MOS type transistor into an ON state is applied to the storage capacitance line.

Abstract: In a liquid crystal display device including a pair of substrates which face each other with a liquid crystal layer disposed therebetween, a plurality of pixel regions which are formed on one substrate, a planar counter electrode which is formed on each pixel region, and a comb-shaped or slit-shaped pixel electrode which is formed on each pixel region, the comb-shaped or slit-shaped pixel electrode being formed over the counter electrode by way of an insulation layer, a notch or a slit is formed in the counter electrode such that a wiring layer made of an opaque material which transmits a potential to the pixel electrode from a thin film transistor defines a region where the wiring layer is not overlapped relative to the counter electrode.

Abstract: A liquid crystal display device with a planar counter electrode formed on the first substrate in each pixel region, a pixel electrode formed on the counter electrode by way of an insulation layer, the pixel electrode formed of a first pixel electrode and a second pixel electrode in the pixel region, the first pixel electrode and the second pixel electrode have a large number of slits which are arranged in parallel in the electrodes and the extending direction of the slits is different from both extending directions of the gate lines and the drain lines, and the neighboring sides of the first and the second pixel electrodes are arranged to be parallel to each other, and a portion between the neighboring sides of the first and the second pixel electrodes is positioned above the counter electrode.

Abstract: There is provided a TFT liquid crystal display device in which the adhesion strength of a sealing material is high and the reliability of its terminals is high. In a peripheral area of the liquid crystal display device, an organic protective film underlying the area of the sealing material is collectively removed together with an inorganic protective film, and video signals are respectively led from drain lines of a display area in such a manner that the respective drain lines are temporarily connected to gate lines underlying an insulating film under the sealing material.

Abstract: A liquid crystal display device includes a first electrode to which a signal is supplied through a first switching element and a second electrode to which a signal is supplied through a second switching element in each pixel region on a substrate, wherein liquid crystal is driven in response to a potential difference between the first electrode and the second electrode. In such a constitution, the first electrode is formed as one electrode of a first holding capacitance which is constituted by sandwiching an insulation film between the first electrode and a signal line and, at the same time, the second electrode is formed as one electrode of a second holding capacitance which is constituted by sandwiching an insulation film between the second electrode and a signal line.

Abstract: In a TFT type liquid crystal display device comprising first and second transparent substrates and a liquid crystal layer which is sandwiched between the first and second substrates, the first substrate includes a plurality of video signal lines, a plurality of scanning signal lines and a plurality of pixel regions which are formed as regions surrounded by the video signal lines and the scanning signal lines, each pixel region includes at least one active element, one pixel electrode and one common electrode, and color filter layers are formed between the pixel electrodes and the liquid crystal layer. The liquid crystal display device is substantially characterized in that the common electrodes are formed as layers above the color filters, the pixel electrodes are formed as layers below the color filters, and the color filters are superposed at least on the whole surfaces of the pixel electrodes in the pixel region.

Abstract: The present invention provides a novel photolithography processes using photoresist pattern having at least two areas which has different thickness from each other for a fabrication method for a liquid crystal display device having reversed staggered and channel-etched type thin film transistors, reduce a number of photolithography processes required for whole of the fabrication process of the liquid crystal display device, and improve brightness of the liquid crystal display device.