Quanta Computer Incorporated

Novatek Microelectronics Corp.

Chunghwa Picture Tubes, Ltd.

Hsin-Hung Lee

Tung-Lin Hsieh

Hsu-Hung Chen

Yu-Wen Huang

Yu-Hsiang Huang

Po-Hsiang Fang

Chia-Wei Su

Po-Yu Tseng

Shun-Hsun Yang

Yao-Shun Tseng

Yu-Chi Chung

Yun-Cheng Liu

Chin-Kang Chang

Jr-Ching Lin

Yung-Sheng Hsu

Ming-Horng Shiu

Wan-Ching Lee

Ching-Chun Chiang

Yi-Ming Huang

I-Ming Huang

Maw-Lin Hsu

Iman Hung

Yin-Cheng Liu

A source driver includes a first drive channel circuit, a voltage controller and a first programmable voltage buffer unit. The first drive channel circuit receives a first pixel data and a first reference voltage group, for driving the display device. The voltage controller receives a voltage command during a line data transmitting period, a horizontal blanking period or a vertical blanking period for generating a first reference voltage configuration data. The first programmable voltage buffer unit is coupled to the voltage controller and the first drive channel circuit, and receives the first reference voltage configuration data for applying the first reference voltage group to the first drive channel circuit. Furthermore, a method for driving a display device is also provided.

Source driver and method for driving display device

The present invention discloses an integrated source driver for a liquid crystal display device. The integrated source driver includes a reference voltage generating circuit, for providing a plurality of adjustable voltage ranges within a supply voltage and a ground level, and a reference voltage selecting circuit, including a plurality of digital to analog converters, for selecting and generating a plurality of internal reference voltages from the plurality of adjustable voltage ranges, respectively. The plurality of adjustable voltage ranges decrease progressively.

Integrated source driver and liquid crystal display device using the same

A method for displaying error rates of data channels of a display is provided. A timing controller of the display repeatedly transmits a test signal with a specific format to a first and a second source drivers of the display via a first and a second data channels of the display. During testing, a first number and a second number of times of the first source driver and the second source driver determining that the received test signal does not have the specific format are counted respectively. The first and the second source drivers control displaying of a first area and a second area of a panel of the display respectively according to the counted first and second numbers of times. Accordingly, the error rates of the data channels are presented on the panel of the display in a way that the error rates could be recognized more easily.

Method for displaying error rates of data channels of display

A source driver includes a first drive channel circuit, a voltage controller and a first programmable voltage buffer unit. The first drive channel circuit receives a first pixel data from the timing controller via a data bus, converts the first pixel data to a first drive voltage according to a first reference voltage group, and drives a display panel by the first drive voltage. The voltage controller receives a voltage command from the timing controller, generates and changes a first reference voltage configuration data according to the voltage command. The first programmable voltage buffer unit is coupled to the voltage controller and the first drive channel circuit, and receives the first reference voltage configuration data to generate and adjust the first reference voltage group for applying to the first drive channel circuit. Furthermore, a method for updating a new gamma curve by the source driver is also provided.

Source driver and method for updating a gamma curve

In a display system, the invention provides a stereoscopic image format transformation method being used for transforming a non-interlace format of a stereoscopic image into an interlace format. When an aspect ratio of the stereoscopic image is not equal to an aspect ratio of a panel, the stereoscopic image format transformation method of the invention is used for interlacing a left-eye image data and a right-eye image data of the stereoscopic image according to a format of the stereoscopic image, the aspect ratio of the panel, and the aspect ratio of the stereoscopic image, to form a completely interlaced stereoscopic image.

Stereoscopic image format transformation method applied to display system

An optical touch system includes a substrate, a glass module, two light sources, three reflective clothes, two image sensors and a processing module. The glass module is disposed at one side of the substrate. The two light sources are respectively disposed at two terminals of the glass module. The three reflective clothes are disposed on the edges of the substrate contiguously. A touch region is formed among the three reflective clothes and the glass module for reflecting the light emitted from the two light sources. The two image sensors are disposed respectively next to the two light sources and used for capturing images in the touch region. The processing module is used for determining whether a touch action is performed according to the images in the touch region.

Optical touch system and method

A coordinate determining system is disclosed. The coordinate determining system comprises an image capturing module, a dividing module, a determining module, and a converting module. The image capturing module is used for capturing a plurality of images corresponding to the screen. The dividing module is used for dividing an overlapping image region of the images into a target image comprising a plurality of sub-regions. The determining module is used for determining a position of the indicating point on the target image. If the indicating point is in a target sub-region among the sub-regions and has an image coordinate relative to an original of the target sub-region, the converting module will convert the image coordinate into the screen coordinate according to a proportional parameter.

System and method for determining coordinates

The invention provides an electronic equipment having a laser component and capability of inspecting leak of laser and an inspecting method for inspecting leak of laser thereof. The electronic equipment according to the invention includes a three-dimensional image-capturing device. According to the invention, the three-dimensional image-capturing device is controlled to capture a two-dimensional image, and to measure an actual depth map. The captured two-dimensional image is processed to obtain an estimated depth map. The invention selectively determines that the laser component occurs leak of laser or malfunctions in accordance with the estimated depth map and the actual depth map.

Electronic equipment having laser component and capability of inspecting leak of laser and inspecting method for inspecting leak of laser thereof

The invention provides an image processing apparatus for processing an interlaced video which includes a judging module, a determining module and a processing module. The judging module is used for judging if a pixel in the kth frame among P frames of the interlaced video relates to a moving object. If the result judged by the determining module is YES, the determining module determines one between two pixels adjacent to the judged pixel in the frame as an edge pixel relative to an edge of the moving object. The first processing module is used for calculating a gray scale of the edge pixel determined by the determining module in an average way.

Image processing apparatus and method for processing interlaced video

The invention provides a system and method for inspecting a three-dimensional sensor. According to the invention, a light source is controlled to emit a light of a known phase, and the known phase of the emitted light is altered by at least two known phase values. The three-dimensional sensor is driven in sensing the light reflected by the inspecting space to capture an image. In accordance with the captured image and the relative angle and the active brightness of each pixel thereof and the plurality of reference data, at least two quality data relative to the three-dimensional sensor are calculated.

System and method for inspecting three-dimensional sensor

The invention discloses an image processing apparatus for improving the definition of an input image. The input image consists of a plurality of pixels, and the pixels are divided into an edge portion and a background portion. The image processing apparatus includes a compound operating unit, a sharpness processing unit, and an edge detecting unit. The compound operating unit is used for generating a noise-eliminated image by subjecting the input image to an open-close process and a close-open process. The sharpness processing unit is used for generating an enhanced image by subjecting the input image to a sharpness process. The edge detecting unit is used for receiving the noise-eliminated image and the enhanced image and determining whether each pixel of the input image belongs to the edge portion or the background portion, so as to selectively output the gray level of each pixel of the enhanced or noise-eliminated image.

Image processing apparatus and method of the same

This invention discloses an image processing apparatus comprising a filter module, an edge detection module, and a processing module. According to where each pixel locates in an image block, the filter module is used to perform the smooth processing on each pixel to generate a second gray level corresponding to each pixel. The edge detection module is used to determine each pixel to be an edge pixel or a non-edge pixel according to the first gray level and the second gray level of each pixel. The processing module is used to calculate a third gray level of each edge pixel according to a weight, the first gray level, and the second gray level; to calculate a fourth gray level of each non-edge pixel according to the weight, the first gray level, and second gray level, and to output all of the third and fourth gray levels.

Image processing apparatus and method for reducing blocking effect and Gibbs effect

An image processing apparatus is disclosed. The image processing apparatus comprises a dividing module, a calculating module, a judging module and an adjusting module. The dividing module is used for dividing an image into a plurality of sub-images. The calculating module is used for generating a lightness threshold of the image. The judging module is used for comparing an original average lightness of a target sub-image among the plurality of sub-images with the lightness threshold. The adjusting selectively increases the original average lightness of the target sub-image according to the first judging module.

Image processing apparatus and method for adjusting lightness of image

The invention provides a portable computer system for capturing a target image related to an item. The portable computer system comprises a base, a cover, an image capturing module, and a lightness adjusting module. The cover is pivotally connected to the base, and comprises a panel. According to the size of the item, the cover rotates with respect to the base to project the light radiated from the panel onto the base. The image capturing module is used for rotating with respect to the cover to capture a reference image according to the size of the item. The lightness adjusting module is used for adjusting the lightness of the panel according to the reference image. After the lightness of the panel is adjusted, the item is deposed on the base, and the image capturing module captures the target image related to the item.

Portable computer system and operating method thereof

The invention provides an adjusting apparatus and a method thereof for adjusting a 3D image constituted by a plurality of interlaced first-eye-viewed image lines and second-eye-viewed image lines to be outputted to a display panel. However, in practice, there is a leakage problem in a pair of glasses for viewing the 3D image. Therefore, the invention solves the leakage problem by matching a plurality of pre-stored leakage values and then generating a proper output with a corrective calculation.

Growing community of inventors

Fongshan, Taiwan

Hsin-Hung Lee