Patent application number | Description | Published |
20120026437 | LIQUID CRYSTAL DISPLAY AND PIXEL UNITS THEREOF - The present invention provides a liquid crystal display and pixel units thereof. The pixel unit has a plurality of subpixel units, and each of the subpixel units is a rectangular block, and the rectangular block is divided into a triangular bright-partition and a triangular dark-partition along an inclined line, and the bright-partition of each subpixel unit corresponds to the dark-partitions of adjacent subpixel units, so as to reduce jagged phenomenon of lines in screen images with the configuration of the pixel unit, and thereby enhance image quality of the liquid crystal display. | 02-02-2012 |
20120306047 | CHIP-ON-FILM STRUCTURE FOR LIQUID CRYSTAL PANEL - The present invention provides a chip on film (COF) structure for a liquid crystal panel, which is disposed on an edge of a glass substrate of an array substrate of a liquid crystal panel. The COF structure comprises a plastic substrate, a metal layer, an adhesive layer, a driver chip and an insulating protection layer. The COF structures further comprises at least one groove, and the groove is disposed on the plastic substrate over the output terminals of the metal layer. The at least one groove of the present invention can prevent from deformation and damage of the glass substrate when the COF structure is assembled with the glass substrate of the array substrate, and it can reduce the brightness difference of the glass substrate in the thermally pressed regions. | 12-06-2012 |
20130016034 | Gamma Buffer Output Compensation Circuit, Drive Circuit and Resistance Setting Method ThereofAANM Liao; LiangchanAACI ShenzhenAACO CNAAGP Liao; Liangchan Shenzhen CNAANM Lin; PoshenAACI ShenzhenAACO CNAAGP Lin; Poshen Shenzhen CNAANM Wang; NianmaoAACI ShenzhenAACO CNAAGP Wang; Nianmao Shenzhen CN - The present invention discloses a gamma buffer output compensation circuit, a drive circuit and a resistance setting method thereof. The gamma buffer output compensation circuit comprises a set of variable compensating resistor modules which are respectively connected to each output terminal of the gamma buffer and have regulable resistance. The present invention uses the method of setting variable compensating resistor modules with regulable resistance in front of each output terminal of the gamma buffer to replace the existing compensating resistors with fixed resistance. The resistance of the compensating resistors in front of each output terminal can be regulated through external operation so that the same compensation circuit can be applied to different types of machines. Therefore, the gamma buffer output compensation circuit can be directly developed in advance without regard to the difference of different types of machines, and the resistance of suitable compensating resistors can be regulated in later period. Thus, the generality of gamma buffers is increased, and the development cycle of machines is reduced. | 01-17-2013 |
20130033669 | TAPE SUBSTRATE FOR CHIP ON FILM STRUCTURE OF LIQUID CRYSTAL PANEL - The present invention discloses a tape substrate for chip on film structure of a liquid crystal panel. The tape substrate is provided with plural package units of chip on film structures arranged along its longitudinal direction, and the package unit has a driver chip, input leads and output leads. The longitudinal direction of the driver chip is parallel to the longitudinal direction of the tape substrate, and the input leads and the output leads are located at the two opposite sides of the driver chip. Each package unit is set up with a short side and a long side, and the input leads are formed at the short side, while the output leads are formed at the long side. In the package units adjacent to each other, the short side of one package unit joins the long side of a next package unit. This invention further discloses a liquid crystal panel having the tape substrate. | 02-07-2013 |
20130100615 | TAPE SUBSTRATE WITH CHIP ON FILM STRUCTURE FOR LIQUID CRYSTAL DISPLAY PANEL - The present invention provides a tape substrate with COF structures for a liquid crystal display panel. A plurality of package units with the COF structures are arranged along a longitudinal direction of the tape substrate. Each of the package units includes input leads and output leads. In each of the package units, along the longitudinal direction of the tape substrate, the input leads and the output leads are disposed at both sides of the tape substrate, respectively. The present invention further provides the liquid crystal display panel using the tape substrate. | 04-25-2013 |
20130120677 | TEMPERATURE CONTROL METHOD AND APPARATUS FOR LIGHT EMITTING DIODE AND LIQUID CRYSTAL DISPLAY - A temperature control method for light emitting diode (LED) is disclosed, and the method comprises the following steps: acquiring the present temperature of the LED during the light emission of the LED; obtaining a driving electric current corresponding to the present temperature based on the present temperature of the LED; and driving the LED based on the driving electric current. This invention further discloses a temperature control device for the LED and a liquid crystal display. | 05-16-2013 |
20130141661 | Liquid Crystal Display and A Broken Line Repairing Method - The present invention discloses a liquid crystal display (LCD) and a broken line repairing method. The LCD comprises multiple data lines, a data driven chip connected to the data lines, and a sequence control circuit connected to the data driven chip. The LCD is provided with at least one broken data line; the broken data line is provided with connection points on the end away from the data driven chip; and each connection point is connected and conducted to a vacant channel of the data driven chip and simultaneously transmits data information of the broken data line to the corresponding vacant channel to be output. The method can drive the data lines on both sides of the breakpoint and does not require an additional OP buffer. A repairing line need not to be reserved on PCBA; and one broken line only has one welding spot, which decreases the production procedure, increases the yield rate of TFT-LCD, and reduces the material and production cost. | 06-06-2013 |
20130141663 | Liquid Crystal Display and Making Method Thereof - The present invention discloses a liquid crystal display (LCD) and a making method thereof. The LCD comprises: a LCD panel and one or more (Chip on Film) COFs arranged at the edge of the LCD panel, wherein conducting layers used for discharging the static electricity from the LCD panel are arranged between the LCD panel and the COF. With the application of the conducting layers, the static electricity can be discharged from the LCD panel, and thus a LCD frame can be made of nonmetallic materials with low cost. Thereby, the production cost of the LCD can be further reduced while the static charge on the LCD panel is discharged in time. | 06-06-2013 |
20130145225 | CODE CHECKING METHOD FOR A MEMORY OF A PRINTED CIRCUIT BOARD - The present invention discloses a code checking method for a memory of a printed circuit board, which is to firstly add a check code to a data end of codes, after the codes is written in a memory, then use a timing controller to calculate a checksum of the data of the part of the primary codes and further compare the calculated checksum with the check code, and then output to a probe via a testing pin to display the result of comparison, so as to accomplish an object of checking if the written codes are correct. The present invention enhances work efficiency of checking the codes written in the memory. | 06-06-2013 |
20130300642 | BACKLIGHT UNIT WITH CHANGING OSCILLATION FREQUENCY IN STEREOSCOPIC MODE AND LIQUID CRYSTAL DISPLAY USING THE SAME - A liquid crystal display for displaying either a flat image or a stereoscopic image, comprising: a panel; and a backlight unit for providing a light source to the panel. The backlight unit comprising: a switch circuit and an oscillator. One end of the switch circuit is electrically connected with a first resistor, and another end of the switch circuit is electrically connected with a second resistor. When the switch circuit is turned on, the first resistor is connected with the second resistor in parallel. The oscillator is electrically connected with the first resistor and the switch circuit. When the switch circuit is turned off, the oscillator outputs a first frequency, and when the switch circuit is turned on, the oscillator outputs a second frequency. | 11-14-2013 |
20130300770 | LED Backlight Driving Circuit, Liquid Crystal Display Device, and Driving Method - The invention discloses an LED backlight driving circuit, an LCD device, and a driving method. The LED backlight driving circuit includes a plurality of LED light strings which are arranged in parallel; each LED light string is correspondingly connected with a dimming branch in series. The LED backlight driving circuit further includes a plurality of controllable disconnectors; one end of the controllable disconnector is connected to at least two LED light strings, and the other end of the controllable disconnector is connected with an equal amount of dimming branches; at the moment, only one of the dimming branches connected with the same controllable disconnector can be conducted. In the invention, on the premise of ensuring that the whole brightness is not variously reduced, the number of the controllable disconnector can be reduced by sharing the same controllable disconnector, thereby reducing the cost. | 11-14-2013 |
20140002772 | LED BACKLIGHT DRIVING CIRCUIT, BACKLIGHT MODULE, AND LCD DEVICE | 01-02-2014 |
20140042930 | LCD DEVICE CONTROL SYSTEM AND LCD DEVICE - A liquid crystal display (LCD) device control system or an LCD device includes a control circuit board includes a sequence control circuit, a panel includes a source drive circuit, and a scalar circuit board includes a first voltage reduction module. The sequence control circuit is configured with a main power end and an auxiliary power end. The main power end of the sequence control circuit and the source drive circuit are coupled to the first voltage reduction module to supply power. | 02-13-2014 |
20140043220 | LCD DEVICE AND CONTROL SYSTEM OF LCD DEVICE - The present disclosure discloses a control system of a liquid crystal display (LCD) device and an LCD device. The control system of the LCD device includes a power supply module, a control circuit board and a scalar board. The scalar board includes a scalar module, a first low-voltage linear voltage stabilizer and a first voltage reduction module used for supplying power to the scalar module and the first low-voltage linear voltage stabilizer. The power supply module outputs 5V that supplies power to the control circuit board and the first voltage reduction module. | 02-13-2014 |
20140049821 | DRIVING METHOD OF 3D SHUTTER TYPE GLASSES AND DRIVING CIRCUIT THEREOF - The present disclosure discloses a driving method of three-dimensional (3D) shutter type glasses and a driving circuit thereof. In a driving method of the 3D shutter type glasses, a left lens is transparent in its transparent cycles and dosed in its shutdown cycles, and a right lens is transparent in its transparent cycles and closed in its shutdown cycles the driving circuit of the 3D shutter type glasses executes a step of at least outputting a section of low-level signals in one transparent cycle of each lens. The present disclosure can effectively improve the flash of the 3D shutter type glasses. | 02-20-2014 |
20140085587 | Chip-On-Film Structure for Liquid Crystal Panel - The present invention provides a chip-on-film (COF) structure for a liquid crystal panel, which comprises a flexible substrate, a driver chip, a plurality of output-side traces. The flexible substrate is provided with an output edge to be connected to a liquid crystal panel. The driver chip is disposes on the upper surface of the flexible substrate, and the longitudinal direction of the driver chip is perpendicular or oblique to the output edge. The output-side traces are linear, curved or L-shape to connect terminals of two sides of the driver chip to the output edge, so as to simplify the circuit layout of the COF structure. | 03-27-2014 |
20140091994 | DRIVING CIRCUIT OF LCD PANEL, LCD PANEL, AND LCD DEVICE - The present disclosure discloses a driving circuit of a liquid crystal display (LCD) panel, an LCD panel, and an LCD device. The driving circuit of the LCD panel includes a compensation unit coupled with a scan line of the LCD panel and outputting N different driving voltages to different gate driver chips on a side of the panel. N is equal to a number of the gate driver chips arranged on the side of the LCD panel, as distance from the driving source of the driving voltages to the gate driver chip increases, absolute value of the driving voltage outputted by the compensation unit increases. | 04-03-2014 |
20140092081 | DRIVING METHOD OF LCD DEVICE AND DRIVING SYSTEM - A driving method of a liquid crystal display (LCD) device includes a step A and a step B. In the step A, using frequency conversion on a received source image signal when a type of the received source image signal is different from a preset target frequency, and converting a display frequency of the received source image signal into a target frequency, generating a target image signal based on the target frequency. In the step B, performing an overvoltage drive output using an overvoltage driving table matching with the target frequency of the target image signal. | 04-03-2014 |
20140104255 | DRIVING SYSTEM OF THREE-DIMENSIONAL LCD DEVICE, METHOD FOR DRIVING THE THREE-DIMENSIONAL LCD DEVICE, AND THREE-DIMENSIONAL GLASSES - A system and method for driving a three-dimensional liquid crystal display (3D LCD) device, uses a target frequency, where the target frequency is double of a monocular frequency of an input picture of the 3D LCD device, and the monocular frequency is in the range of 62-118 Hz. The system and method converts a frame rate of the input picture of the 3D LCD device into (62 Hz-118 Hz)×2, and monocular frequency through the 3D glasses is in the range of 62 Hz-118 Hz. | 04-17-2014 |
20140152532 | PANEL VIDEO SYSTEM CONTROLLER AND LCD DEVICE - The present disclosure provides a panel video system controller and a liquid crystal display (LCD) device. The panel video system controller includes a timing control circuit and a video processing circuit, and the timing control circuit and the video processing circuit are integrated into a same integrated circuit. In research, data. connection between a back-end system of the LCD device such as television and the LCD panel is mainly achieved by a video processing, chip and the timing control circuit. In the present disclosure, the video processing chip in the back-end system of the LCD device and the timing control circuit in the LCD panel are integrated. On one hand, circuit integration level is increased, and assembly process is simplified. On the other hand, it is not needed to use additional data conversion interface between the back-end system of the LCD device and the LCD panel, thereby reducing the product development cycle, development cost, and assembly process. | 06-05-2014 |