Shenzhen China Star Optoelectronics Technology Co., Ltd.

Dengxia Zhao

Poshen Lin

Yu Wu

Chia-Chiang Hsiao

Zan Yang

Chiayin Hung

An exemplary liquid crystal display device includes a liquid crystal panel, a common voltage generator and a scanning voltage regenerator. The liquid crystal panel includes a plurality of pixel regions formed in a matrix form. Each pixel region includes a thin-film transistor and a storage capacitor. The storage capacitor includes a pixel electrode and a storage electrode facing the pixel electrode. The common voltage generator is configured for providing a common voltage to the storage electrode. The scanning voltage regenerator is configured for receiving a feedback common voltage from the storage electrode and generating a regenerated scanning voltage for driving the thin-film transistor according to the feedback common voltage.

Liquid crystal display device and method for driving same

A data driving system and a data driving chip for a liquid crystal panel as well as a liquid crystal display (LCD) device comprising the same are disclosed. The data driving system comprises a data driving chip, a timing controller and a first interface connected to the data driving chip and the timing controller. The first interface comprises a terminating resistor for converting a current signal transmitted through the first interface into a voltage signal, and the terminating resistor is disposed inside the data driving chip. By having the terminating resistor disposed inside the chip, the present disclosure can eliminate the need of additional electric tests, thus saving the cost of the additional electric tests.

Data driving system and chip for liquid crystal panel as well as liquid crystal display device

The present invention provides a liquid crystal display and pixel displaying structure thereof. The pixel displaying structure has a plurality of sub-pixel units. The sub-pixel units are arranged on a two-dimensional matrix arrangement and each of the sub-pixel units is divided into two rectangular partitions, and each of the partitions performs a bright mode or a dark mode, and then the bright mode and the dark mode are changed over to each other between consecutive frames of screen while two transversely-adjacent or longitudinally-adjacent partitions are a combination of a bright-mode partition and a dark-mode partition. Therefore, ladder-like bright-dark boundary line appearing during displaying oblique lines can be reduced based on the visual mixture of brightness interchanging.

Liquid crystal display and pixel displaying structure thereof

The present invention relates to an LCD technology. A circuit used for correcting a shift of the gamma curve because of light emitting diode (LED) temperature rise and a device thereof are proposed. The circuit includes at least one temperature sense resistor, an analog-to-digital converter (ADC), and a lookup table. One end of the temperature sense resistor is connected to the ADC which is connected to the lookup table. The present invention can improve image quality rapidly. The structure of the circuit proposed by the present invention is simple, making it easy to be performed, which is good for energy saving and environmental protection.

Circuit capable of improving a shift of gamma curve resulting from LED temperature rise and a device thereof

Disclosed are an adjustment method of an LCD (Liquid Crystal Display) overdrive voltage and the device. The adjustment method comprises steps below: locating a transistor at a position capable of sensing a temperature of an LCD panel; providing a constant current source to a drain of the transistor and a conducting voltage to the transistor, and a voltage difference between a source and a gate changing according to a temperature changing of the LCD panel; receiving voltages of the source and the gate of the transistor to calculate a voltage difference therebetween and outputting an amplified value of the voltage difference by an error amplifier; receiving the amplified value of the voltage difference and outputting corresponding binary signals by an analog to digital converter; providing a selector storing a plurality of overdrive voltages for selecting different overdrive voltages according to the different binary signals to adjust the LCD overdrive voltage.

Adjustment method of LCD overdrive voltage and device thereof

The invention discloses a PWM voltage regulator circuit, a regulating method using the same, and a liquid crystal display comprising the same. The PWM voltage regulator circuit comprises a PWM voltage regulating module, a feedback module connected with the PWM voltage regulating module, and a control module connected with the feedback module. The control module comprises a programmable image processing chip; and the programmable image processing chip comprises at least one memory bank (bank) and an access circuit. A feedback comparing reference voltage data of the PWM voltage regulating module is stored in a memory bank (bank), and the memory bank (bank) is connected with the feedback module by the access circuit. The invention can quickly regulate a PWM chip output voltage, increase IC generality, and reduce the product cost.

PWM voltage regulator circuit, regulating method using the same, and liquid crystal display device

A stereoscopic image display apparatus is described. The stereoscopic image display apparatus includes a display panel, a film-type patterned retarder (FPR) and a barrier layer. The display panel comprises a plurality of scan lines, first data lines, second data lines and pixel units. Each of pixel units comprises a major pixel, a first minor pixel and a second minor pixel wherein the major pixel is coupled to one of the scan lines and one of the first data lines via a first thin-film-transistor, and the first minor pixel and the second minor pixel are coupled to the one of the scan lines and one of the second data lines via a second thin-film-transistor. The FPR is disposed between the display panel and the polarized glasses for receiving the light from the display panel to allow the light to form left-handed circularly polarized light and right-handed circularly polarized light.

Stereoscopic image display apparatus

Disclosed are a data line repair apparatus and a method thereof, employed in a LCD panel having a repair line, and a repair operational amplifier coupled to the LCD panel including a first input end, a second input end and an output end, and the output end and the second input end are both coupled to a data line of the LCD panel and the repair line. The data line repair apparatus comprises a receiving module, receiving image data of a present frame from the data line; an acquiring module, acquiring output data corresponding to the image data of the present frame and image data of a former frame from preserved corresponding relationships of the aforesaid data; and an outputting module, outputting a voltage corresponding to the output data acquired by the acquiring module to the first input end in a scheduled period.

Data line repair apparatus and method thereof

The present invention relates to a LCD module and a method thereof. The LCD module includes a gate driver, a liquid crystal display panel having a plurality of pixel units, a temperature sensor for generating a temperature sensing signal based on a temperature of the liquid crystal display panel, and a voltage regulator for adjusting scan voltage according to the temperature sensing signal. The gate driver outputs a scan signal with the adjusted scan voltage to the plurality of pixel units. The LCD module can adjust the scan voltage based on a variety of the temperature of the LCD panel to further change current charging the pixel units, shortening a response time period of the LCD module.

LCD module and method for adjusting response time period thereof

This invention discloses an LCD which includes an LCD panel and a pixel voltage adjuster. The LCD panel includes a plurality of pixel units which are arranged in the way of a matrix. Each pixel unit is provided with a liquid crystal capacitor. The liquid crystal capacitor includes a pixel electrode and a common electrode oppositely arranged. The pixel voltage adjuster receives a feedback common voltage from the common electrode and adjusts the voltage of the pixel electrode in terms of the feedback common voltage. The LCD provided in this invention can reduce cross-noise and improve the display quality of the LCD.

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Shenzhen, China

Dengxia Zhao