Chunghwa Picture Tubes, Ltd.

Jhen-Shen Liao

Hung-Hsiang Chen

Kuan-Hung Liu

Yi-Nan Chu

Yung-Yu Hsieh

Wen-Chih Tai

Shian-Jun Chiou

Yi-Cheng Tsai

Ming-Ta Hsieh

Kuei-Wei Huang

Hun-Wei Chen

Qi-Ming Lu

Wei-Fu Chang

De-Wei Kuo

Tao-Ching Yu

Chi-Ming Lu

Ying-Chung Su

A touch sensing device includes a substrate, a first electrode, a second electrode, a third electrode, a fourth electrode. The first electrode receives a first triggering signal. The second electrode selectively receives the first triggering signal and a second triggering signal. The first electrode and the second electrode are parallelly disposed on the substrate. The third electrode senses contact touch event according to the first triggering signal to generate a first sensing signal. The fourth electrode selectively senses the contact touch event according to the first triggering signal to generate the first sensing signal and senses contactless touch event according to the second triggering signal to generate a second sensing signal. The third electrode and the fourth electrode are parallelly disposed on the substrate, and the third electrode and the fourth electrode are vertically disposed to the first electrode and the second electrode.

Touch sensing device and touch sensing method

A capacitive fingerprint sensor and a sensing panel are provided. The capacitive fingerprinting sensor includes a sensing circuit, a level switch, an output switch. The sensing circuit has a first capacitor providing a sensing voltage according to a first sensing driving signal. A control terminal of the level switch is coupled to the sensing circuit to receive the sensing voltage, a first terminal thereof receives a high voltage level, and a second terminal thereof provides a sensing determination signal. A control terminal of the output switch receives a second sensing driving signal, a first terminal thereof is coupled to the second terminal of the level switch to receive the sensing determination signal, and a second terminal thereof is coupled to a data line. The sensing determination signal is provided through the level switch to avoid a parasitic capacitance on a trace influencing a voltage level of the sensing determination signal.

Capacitive fingerprint sensor and sensing panel thereof

An autostereoscopic display panel includes a display panel and a barrier panel adjacent to each other. The display panel includes a plurality of pixel units. Each of the pixel units includes a plurality of sub-pixels arranged along a first direction, such that each of the pixel units has a pixel width along the first direction. The barrier panel includes a plurality of barrier units. Each of the barrier units includes at least three barrier electrodes parallel to each other. Each of the barrier electrodes has an electrode width along the first direction, and the electrode width is smaller than the pixel width. An alignment method and an autostereoscopic display method using the autostereoscopic display panel are also disclosed.

Autostereoscopic display panel, alignment method, and autostereoscopic display method thereof

A touch sensing panel including a substrate, an electrode array, and a plurality of third electrodes is provided. The substrate has an active area and a peripheral area. The electrode array is located at the active area and includes a plurality of first electrodes and a plurality of second electrodes, wherein the second electrodes and the first electrodes are electrically insulated to each other and intersected with each other. The third electrodes area located at different sides of the peripheral area, respectively, and electrically insulated to the electrode array. A touch sensing control unit applied to the touch sensing panel is also provided.

Touch sensing panel and touch sensing control unit thereof

A display system capable of switching 2D/3D mode includes a signal source, a 3D backlight control signal generation circuit, and a display. The signal source is used for transmitting a vertical synchronization signal and a left eye/right eye control signal. The 3D backlight control signal generation circuit is used for executing a first logic operation on the vertical synchronization signal and the left eye/right eye control signal to output a 3D left eye backlight control signal, and executing a second logic operation on the vertical synchronization signal and the left eye/right eye control signal to output a 3D right eye backlight control signal. The display displays 3D images according to the 3D left eye backlight control signal and the 3D right eye backlight control signal.

Display system capable of switching two-dimensional/three-dimensional mode and method thereof

A method for driving a liquid crystal display (LCD) apparatus, wherein the LCD apparatus comprises a plurality of scan rows, a plurality of data columns, and a data driving circuit, includes: driving a plurality of specific scan rows of the plurality of scan rows at a same time; extracting a plurality of pixel data, arranged into a first order, corresponding to the plurality of specific scan rows; arranging the plurality of pixel data into a second order different from the first order according to a connecting relationship between the data driving circuit and a plurality of pixels of the plurality of specific scan rows; and utilizing the data driving circuit to drive a plurality of pixels according to the plurality of pixel data corresponding to the second order.

Liquid crystal display device and driving method thereof

A driving method for driving a display apparatus is provided. The driving method includes: configuring a plurality of driving voltages corresponding to a plurality of gray scales, where the gray scales include a first gray scale and a second gray scale smaller than the first gray scale, and a first driving voltage corresponding to the first gray scale is lower than a second driving voltage corresponding to the second gray scale; and controlling the display apparatus to display a gray scale merely up to the second gray scale. In this way, the driving method hence reduces the response time of the display apparatus, which may be an LCD display panel.

Driving method and driving apparatus for displaying apparatus

A display method with interlacing reversal scan and a device thereof are provided. The scan mode is interlacing reversal scan. Thus, in time and space, each color frame with poor luminance response can be alternately distributed on up-side and the down-side region of the frame instead on low-side region of the frame. Then, during the period of continuous frame displaying, the present invention may balance color distribution between the up-side and the down-side region, and effectively reduce the flicker phenomenon of the frame.

Display method with interlacing reversal scan and device thereof

An electrophoretic display and a driving method thereof are provided. The electrophoretic display includes a display panel and a source driver. The display panel includes at least one pixel unit. The pixel unit is coupled to a pixel electrode and a common electrode. The source driver is coupled to the display panel. When the source driver provides a first driving voltage to the pixel electrode having a second driving voltage, the source driver provides a ground voltage to the pixel electrode, and then the source driver provides first driving voltage to the pixel electrode. The ground voltage is between the first driving voltage and the second driving voltage. Thereby, damage property of elements may be reduced.

Electrophoretic display for reducing damage property of elements

A method for driving a color-sequential display suitable to reduce the color break-up phenomenon of the color-sequential display is disclosed. The method includes: dividing each sub-frame period into a data-writing period and a backlight turned-on period; within the data-writing period, transmitting a data of first color; during a first duration of the backlight turned-on period, turning on a first color backlight; during a second duration of the backlight turned-on period, turning on a second color backlight.

Method for driving a color-sequential display

A color sequential liquid crystal display (LCD) device is disclosed in the present invention. The color sequential LCD device includes an LCD panel, a backlight module, an image processing circuit and a timing control circuit. The image processing circuit is utilized for performing image processing on an image data to generate a frame data with full color information, and sorting the frame data to generate a plurality of frame data based on a predetermined color sequence. The timing controller is utilized for controlling the LCD panel and the backlight module to display the plurality of field data outputted by the image processing circuit, so as to achieve color mixing in time domain.

Growing community of inventors

Taoyuan County, Taiwan

Jhen-Shen Liao