Abstract: The invention provides a liquid crystal display panel, comprising a plurality of scan lines fabricated along a first axis, a plurality of data lines fabricated along a second axis, a first pixel and a second pixel. Each of the first and second pixels is surrounded by two adjacent scan lines and two adjacent data lines. The first pixel comprises a first thin film transistor (TFT). The second pixel comprises a second and a third TFT. The gates of the second and third TFT are electrically connected to the two adjacent scan lines surrounding the second pixel, respectively. The third TFT further comprises a source electrically connected to a photo-sensor, and a drain electrically connected to an access line fabricated along the second axis. One end of the access line is electrically connected to a signal processor via a switch.
Abstract: The present invention discloses a liquid crystal display (LCD) device. The LCD device comprises an upper substrate and a lower substrate. Every two data lines and two scan lines define two pixels. Each pixel comprises a pixel electrode and a transistor, and a biased electrode is arranged under a slot between two pixel electrodes of the two pixels. When positive frame, the voltage of the biased electrode, VE, is greater than the voltage the pixel electrode, VP; when negative frame, the voltage of the biased electrode, VE, is smaller than the voltage the pixel electrode, VP.
Abstract: A liquid crystal display has a light guide plate, a liquid crystal panel disposed on the light guide plate, a frame having a compartment for containing the light guide plate and a frame wall having an opening and a light bar cavity, and a light bar buried in the light bar cavity via the opening.
Abstract: A method of repairing a defect in a liquid crystal display panel is provided. The method comprises: providing an array substrate, a plurality of pixel regions over the array substrate, and at least one of the pixel regions comprising a transistor, a pixel electrode, a storage capacitor having an upper electrode and a bottom electrode, a defect positioned in the storage capacitor; performing a cutting process to divide the pixel electrode into a first portion and a second portion not connecting to each other, wherein said first portion of said pixel electrode is corresponding to the storage capacitor having said defect; and electrically connecting the second portion of the pixel electrode to one of the scan lines.
Abstract: In the image TFT array structure, at least one first line, a lower electrode, a pad electrode, a common electrode and a first electrode connected with the first line are defined simultaneously by etching a first conductive layer. At least one second line intersecting the first line, an upper electrode corresponding to the lower electrode, a second electrode connected with the second line and a third electrode connected with the upper electrode are defined simultaneously by etching a second conductive layer applied to cover the substrate and above the first conductive layer. The lower electrode and the upper electrode of the storage capacitor have an approximately same large area.
Abstract: A manufacturing method for a TFT electrode which is implemented to prevent metal ion diffusion to an adjacent insulating layer during fabrication. The method includes, in the order recited, providing a substrate; forming a first metal layer on the substrate which is comprised of one of a single metal layer structure or a multiple metal layer structure; performing a photolithography and etching process on the first metal layer to form a gate electrode of the TFT electrode; forming a transparent conducting electrode on the first metal layer to cover at least the gate electrode and prevent metal ion diffusion during fabrication, the transparent conducting electrode being comprised of one of indium tin oxide, indium zinc oxide, ZnO or an organic material; and forming a pixel electrode which functions as a barrier to prevent metal ion diffusion during fabrication by performing a photolithography and etching process on the transparent conducting electrode.
Type:
Grant
Filed:
March 15, 2006
Date of Patent:
December 15, 2009
Assignees:
Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corp., Quanta Display Inc., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp.
Abstract: A repairing method of a liquid crystal display panel having a gravity defect includes steps of providing a first pressure to the liquid crystal display panel. Next, a second pressure is continuously provided to the liquid crystal display panel, and a section from the edge of the liquid crystal panel to the sealant is removed and forming an opening through the closed sealant frame. Then, forcing out the excess liquid crystal to flow out the panel through the cut off sections, cleaning out the excess material including LC mixture around the opening, and sealing the opening with a fresh end sealant. After that, providing a third pressure to the liquid crystal display panel, curing the end sealant to seal the opening, and then removing the third pressure. Finally, annealing the liquid crystal display panel to recover original display quality.
Abstract: A multi-function integrated polarizer/optical film structure and manufacturing method thereof solves the disadvantages of O type or E type polarizers that cannot simultaneously have high polarizing efficiency and high transmittance. The present invention utilizes optical design for a polarizer/optical film having a plurality of material layers on substrates. The present invention is a multi-function integrated polarizer/optical film structure and manufacturing method thereof, that allows an LCD image to have high polarizing efficiency, high transmittance, wide-angle, high contrast and super-film characteristics simultaneously.
Type:
Grant
Filed:
May 18, 2005
Date of Patent:
December 1, 2009
Assignees:
Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corp., Quanta Display Inc., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp.
Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.
Abstract: The present invention provides an image sensor array and a liquid crystal display for increasing the readout time thereof. The image sensor array and liquid crystal display both comprise a substrate, a readout line disposed on the substrate, a first switch line and a second switch line both intersecting the readout line, a first position defined by the readout line and the first switch line, a second position defined by the readout line and the second switch line, and a sensor element disposed on the first position and separated from the second position, wherein the first switch line transmitting a first switch signal and the second switch line transmitting a second switch signal overlapped the first switch signal.
Abstract: A direct type backlight unit having liftable frame structure includes a housing, an upper frame and a plurality of lamps, wherein the plurality of lamps disposed on a cavity defined by the housing and at least one has a foggy region. The upper frame is configured to accommodate a plurality of optical films and a liquid crystal panel and has two clip members for engaging with two connection hole of the housing such that the upper frame can be easily fixed on the housing. A plurality of lamp connection units are disposed within the cavity and each includes a conductive clamp member for clamping the conductive electrode of the lamp, thereby facilitating the replacement of the lamps.
Abstract: A contrast ratio promotion method for a display device is provided. The display device contains a back light module having a brightness and has a maximum luminance. The contrast ratio promotion method comprises the steps of continuously receiving a picture signal during each unit time, continuously calculating a ratio of a luminance of a picture corresponding to the picture signal to the maximum luminance, where the ratio is defined as an instant relative luminance, setting a first ratio, a first buffer time and a first adjusting time, and gradually reducing the brightness of the back light module to a minimum brightness during the first adjusting time when a first cumulated time for the respective consecutive plural instant relative luminances being smaller than the first ratio is longer than the first buffer time.
Abstract: A method to control the pretilt angle of a liquid crystal device is disclosed. The claimed invention provides two substrates and at least one vertical alignment layers, which are fabricated on one side of each substrate and are opposite to each other. Moreover, a liquid crystal layer is sandwiched between the alignment layers, and the preferred embodiment of the liquid crystal device has an Optically Compensated Birefrigence (OCB) configuration. More particularly, before the process of alignment for the liquid crystal device is performed, a pretilt angle disclosed in the present invention is adjusted since at least one vertical alignment layer is treated with a particle beam generated by plasma or ions. The pretilt angle can range between 5 and 85 degrees.
Type:
Grant
Filed:
September 14, 2006
Date of Patent:
June 30, 2009
Assignees:
Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corp., Quanta Display Inc., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp.
Abstract: A fabricating method of a liquid crystal display panel provides a first substrate and a second substrate. The first substrate has a sealant used for sealing with the second substrate to form a liquid crystal cavity. The first substrate and the second substrate are placed into a chamber to perform a liquid crystal filling process. An end seal process is performed at a predetermined temperature higher than room temperature to seal the liquid crystal with a predetermined weight into the liquid crystal cavity. A liquid crystal injection method, an end seal process, and heating apparatus are also provided.
Abstract: The present invention discloses a method of manufacturing an image TFT array and a structure thereof. A substrate is provided. At least one first line, a lower electrode, a pad electrode, a common electrode and a first electrode connected with the first line are defined simultaneously by etching a first conductive layer. At least one second line intersecting the first line, an upper electrode corresponding to the lower electrode, a second electrode connected with the second line and a third electrode connected with the upper electrode are defined simultaneously by etching a second conductive layer applied to cover the substrate and above the first conductive layer.
Abstract: An input display and fabrication method thereof. The input display comprises a black matrix on a first substrate defining a plurality of sub-pixel areas, a plurality of color filters on the sub-pixel areas, a plurality of light sensitive elements on a second substrate facing the first substrate, a plurality of convex lenses, wherein a central axis of the convex lens is substantially aligned with the light sensitive element, and a liquid crystal layer disposed between the first substrate and the second substrate. The convex lenses converge more light on the light sensitive elements, enhancing sensitivity of the input display.
Abstract: A liquid crystal display (LCD) substrate and a fabrication method thereof are provided. The LCD substrate comprises a substrate, a spacer definition layer formed on the substrate comprising a first step, and a spacer formed along a profile of the first step of spacer definition layer and adjacent to the first step, thereby forming a second step on the spacer. The invention utilizes a single photolithographic process to form spacers with steps, thus, effectively lowering the probability of mura defects caused by gravity, contact, or an uneven cell gap.