Abstract: A method for manufacturing a substrate of a flat panel display device is disclosed. The method includes following steps: providing a substrate having patterned transparent electrode thereon; and forming an alignment layer on the surface of the transparent electrode. The formed alignment layer includes a homeotropic alignment film and a homogeneous alignment film adjacent to the homeotropic alignment film. Moreover, the homeotropic alignment film is formed utilizing printing on or on a periphery of to the homogeneous alignment film. Through this method, the flat panel display device can be manufactured without increasing the quantity of the mask cycles, and without a complex process of gradation exposure. Moreover, the problem resulted from multiple rubbing can be reduced, and the cost for manufacturing can be decreased.

Abstract: A method of forming spacers and alignment protrusions simultaneously on a color filter substrate for multi-domain vertical alignment (MVA) mode liquid crystal display is provided is disclosed. A light-shielding layer is formed on a substrate to define a plurality of sub-pixel areas. Color filters (R, G, B) are then formed on the sub-pixels areas. A transparent electrode layer is formed over the light-shielding layer and color filter and a transparent photoresist is formed over the transparent electrode layer. A halftone mask is used for the transparent photoresist in the lithography process, simultaneously forming a plurality of spacers and alignment protrusions.

Abstract: A liquid crystal display device is disclosed, which comprises an upper substrate, a lower substrate, and a liquid crystal layer. The lower substrate has several pixel electrodes, metal lines, and switch elements thereon. Each switch element comprises a source electrode, a drain electrode, a gate electrode, and an opening between the source electrode and the drain electrode. A passivation layer covering the surface of the source electrode and the drain electrode forms two inclined planes separately on two sides. The two inclined planes face each other and are locating on a kink or step of the source electrode and drain electrode. The inclined planes also contact each other at the upper side of the opening. The inclinations of the inclined planes to the lower substrate are in a range from 5 to 50 degrees.

Abstract: A method for manufacturing copper wires on a substrate for a flat panel display device is disclosed. The method comprises following steps: providing a substrate; forming a seed layer on the surface; forming a patterned photoresist on the surface of the seed layer to expose a part of the seed layer; and plating a copper layer on the exposed part of the seed layer. As the copper layer is plated, an electrolyte solution comprises a sulfur-containing compound is used. The angle between the surface of the copper layer and the contact surface of the seed layer is greater than 0 degree and less than 90 degree. Through the method illustrated above, the film step-coverage in the following process can be improved, the generated voids in device can be reduced, the manufacturing steps can be simplified, and the complicated etching process can be avoided.

Abstract: A non-contact inspecting device for a panel, which has a plurality of signal inputting sensors, a plurality of signal detecting sensors and a control circuit. The signal inputting sensors are configured in a first detecting bar, and the signal detecting sensors are configured in a second detecting bar. When the device inspects the panel, the control circuit controls the signal input sensors of the first detecting bar to provide a detecting signal and controls the corresponding signal detecting sensors of the second detecting bar to receive the detecting signal synchronously, thereby relatively reducing tact-time.

Abstract: A liquid crystal display device is disclosed, which comprises a upper substrate; a lower substrate; a liquid crystal layer; a sealing member sandwiched between the upper substrate and the lower substrate; and at least one rampart. The sealing member divides the space between the upper substrate and the lower substrate into a center region inside the sealing member and a peripheral region outside the sealing member. The rampart positioned in the center region divides the center region into a display region and a buffer region. The height of the rampart is smaller than the cell gap between the upper substrate and the lower substrate. Therefore, the level of the liquid crystal inside the display region can be properly controlled and the undesirable “gravity mura” phenomenon can be prevented.

Abstract: A panel of a liquid crystal display panel with a plurality of pixels is disclosed, wherein each pixel comprises one switch, one pixel electrode and one floating line. The switch comprises a gate, a source, and two drains. The pixel electrode can be electrically connected to the switch through the drain. Besides, each floating conductive line and two drains of the same switch are crossed but electrically disconnected. Hence, the design of the dual drain (or dual source) illustrated above and the combined the technique of laser welding can be used to repair the source-drain leakage of the substrate of the liquid crystal display device.

Abstract: A method of fabricating a pixel structure is disclosed. A substrate having a color filter layer thereon and a leveling layer further covers the color filter layer is provided. A first metal layer is formed over the leveling layer. The first metal layer is patterned to define a source/drain. A channel material layer, a gate insulating layer and a second metal layer are formed over the substrate to cover the source/drain. The second metal layer, the gate insulating layer and the channel material layer are patterned to define a gate and a channel layer. A passivation layer is formed over the substrate to cover the gate. The passivation layer is patterned to expose a portion of the drain. A transparent conductive layer is formed over the substrate, and is electrically connected to the exposed drain. Thereafter, the transparent conductive layer is patterned to form a pixel electrode.

Abstract: An active TFT circuit structure with current scaling function is disclosed, which includes a current source, a data line, a scan line, a direct current voltage source, capacitors and four transistors, wherein the capacitors form a cascade structure. During the ON-state, the two of the transistors are turn-on based on the voltage provided by the scan line, so that the data current provided by the current source flows the data line and the transistor which is one of the opened transistors, thereby arriving an emitting light element and the transistor connected to the emitting light element. When the pixel circuit changes from ON- to OFF-state, the voltage of the node between the storage capacitors reduces due to the feed-through effect of one of storage capacitor, thereby reducing the driving current of the emitting light element. Therefore, it can be achieved the current scaling function.

Abstract: A substrate detection system is disclosed to include a conveyer that delivers the substrates, a sensor that detects the length of each substrate being delivered by the conveyer over the top side of the sensor, and a processor that compares the detection length value of each substrate detected by the sensor with a predetermined length value stored therein so as to immediately stops the conveyer when the detection length value of one substrate is unequal to the predetermined length value. In an alternate form, the time value in which each substrate passed over the sensor is used as a parameter for judgment.

Abstract: A method for manufacturing liquid crystal display substrates comprises the steps of: (a) providing a substrate having a transparent electrode layer and a metal layer; (b) forming a patterned photoresist layer through half-tone or diffraction; (c) defining signal line area and thin film diode area, or pixel area and conductive electrode-lines by etching; and (d) forming an oxidized layer on partial surface of the metal layer. The disclosure here provides a patterning process of lithography and etching with one photolithography of one single mask in the manufacturing of liquid crystal display substrates. Furthermore, the method disclosed here can effectively increase the yield of manufacturing, and reduce the cost of manufacturing.

Abstract: The present invention relates to a lens-arrayed backlight module, consisting of a housing, a plurality of lamps, and a plurality of lens plates. The lamps are disposed in parallel between the housing and the lens plates to provide illuminating rays. The lens plates correspond to the lamps respectively, each of which being mounted at the center axis of the corresponding lens plate so that the illuminating rays provided by the lamps diffuse through the lens plates. The present invention also provides a liquid crystal display device using the lens-arrayed backlight module.

Abstract: The present invention relates to a sheet-like light source device, including a light-conducting plate having at least one convex portion disposed on the lateral portion thereof; at least one light-source unit disposed on one side of the light-conducting plate, which includes a light source and a reflecting sheet; and a housing having a chassis and at least one frame; in which the frame is mounted on the edges of the chassis, and a concave portion corresponding to the convex portion of the light-conducting plate to hold the convex portion and a plurality of light-guiding mechanisms are formed on the frame. The present invention further has a housing for a sheet-like light source device, including a chassis and a frame mounted on the edges of the chassis, in which a concave portion and a plurality of light-guiding mechanisms are formed on the frame.

Abstract: A frame structure used in a backlight module is disclosed. The frame structure includes an upper frame and a lower frame. By combining the T-shape hook of the upper frame and the corresponding groove of the lower frame, the components of the backlight module, such as the linear light source, the light source fixer, the light guide, the upper diffusing plate, the reflective plate, the lower diffusing plate, and the prism plate can be well assembled. Therefore, an improved positioning and fixing efficacy is provided.

Abstract: A method for manufacturing a panel of a thin film transistor liquid crystal display device with three mask processes is disclosed. The method includes following steps: forming a transparent conductive layer, a first insulating layer, and a second metal layer on a transparent substrate in sequence; forming a source area, a drain area, a transparent electrode area, and data signal lines through a halftone photolithography and an etching; forming a semiconducting layer and a second insulating layer on the substrate in sequence; forming a semiconducting channel area in a thin film transistor area and contacts on the source area, the drain area, and the data signal lines through a photolithography and an etching; forming a third metal layer and a third insulating layer on the substrate in sequence; forming scanning signal lines and gate lines through a photolithography and an etching.

Abstract: Contact holes between drains and pixel electrodes, and between common lines and counter electrodes are located on the same side of the pixel region. The pixel electrodes and the counter electrodes are made of a transparent conductive material, thereby increasing a transmittance and an aperture ratio. Furthermore, the pixel electrodes and the counter electrodes are inter-digital electrodes and interlaced with each other so as to attain a wide viewing angle effect.

Abstract: A thin film transistor liquid crystal display (TFT-LCD) and fabrication method thereof. The fabrication method includes depositing a first metal layer on a transparent substrate, patterning the first metal layer to form at least two adjacent gate electrodes, forming a gate insulating layer on the gate electrodes, forming a semiconductor layer on the insulating layer, patterning the semiconductor layer into a predetermined shape, depositing a second metal layer on the transparent substrate, patterning the second metal layer to form a source/drain electrode layer, and depositing an insulating layer on the transparent substrate. A contact hole is defined via the insulating layer, source/drain electrode layer, and gate insulating layer, exposing a part of the surface of transparent substrate between the adjacent gate electrodes. A transparent conductive layer is deposited on the transparent substrate, and a light-shielding matrix is formed directly above the contact hole.

Abstract: A liquid crystal display without storage capacitance electrode lines. At least one storage capacitor structure including first and second metal layers and a dielectric layer disposed therebetween is formed on a lower substrate. The first and second metal layers are discrete. The second metal layer is electrically connected to the pixel electrode and is located above the first metal layer. The second metal layer overlaps a portion of the first metal layer. An insulating spacer is formed on the interior of an upper substrate and extended into a liquid crystal layer to maintain a cell gap. A common electrode is conformally formed on the upper substrate and the insulating spacer to electrically connect the first metal layer via a discrete transparent conductive layer.

Abstract: An apparatus for detecting non-uniform cell gap in a liquid crystal display panel is disclosed, which comprises a first plate, an axle, and a cell gap detecting unit. A surface of the first plate has at least one holding mechanism for fixing at least one the liquid crystal display panel onto the first plate. The axle connects to the first plate and is used to rotate the first plate. The cell gap detecting unit detects the cell gap in the liquid crystal display panel.

Abstract: A liquid crystal display bottom substrate with bumps is disclosed, which comprises: one thin film transistor located on a surface of a substrate, a passivation layer covered over the surface of the thin film transistor and that of the substrate, and a reflective metal layer formed over the passivation layer. A plurality of bumps are formed on the surface of the passivation layer, wherein the bumps have asymmetric shapes in the cross sections, and the projection of the center of said bumps on the substrate is not overlapped with the projection of the peak of the same bumps.