Au Optronics Corporation

National Yang Ming Chiao Tung University

Quanta Display Inc.

Chia-Feng Yang

Yu-Min Hsu

Yung-Tse Cheng

Han-Ping D Shieh

Chun-Wei Yang

Jian-Zhi Huang

Che-Hsien Chen

Chen-Hsiang Ho

Ching-Chien Yuan

Jun-Wei Yang

Pei-Ming Chen

Yen-Lin Wei

An-Chih Wang

Wei-Shun Huang

Tzu-Jung Chen

Yen-Chung Lin

Jiun-Shiau Wang

A touch device includes a substrate, a touch electrode layer, a first wire, and at least one second wire The substrate includes a touch region and a peripheral region. The peripheral region is surrounding the touch region. The touch electrode layer is disposed at the touch region. The first wire is disposed at the peripheral region and is configured to receive a touch driving signal. The at least one second wire is disposed at the peripheral region and is configured to receive a synchronization signal corresponding to the touch driving signal. The first wire is disposed between the touch region and the at least one second wire.

Touch device

The present invention relates to a position detector and a touch sensing device of using same with SNR enhancement. In one embodiment, the position detector has (P+1) inputs, each input for receiving an input signal associated with a position, P being a positive integer, and P operational amplifiers, each operational amplifier having a non-inverting input and an inverting input, where the inverting input of the j-th operational amplifier is electrically connected to the non-inverting input of the (j+1)-th operational amplifier, and the non-inverting input and the inverting input of the j-th operational amplifier are electrically connected to the j-th input port and the (j+1)-th input port, respectively, j=1, 2, 3, . . . , (P&#x2212;1).

SNR enhancement for differential input device

A touch panel device having high touch sensitivity includes sensing capacitors, switches, storage capacitors, a differential amplifier and a signal processing unit. During a sense period, the switches are periodically turned on alternately for periodically transferring the charges of the sensing capacitors to the storage capacitors. The differential amplifier is put in use for amplifying the voltage difference of two corresponding storage capacitors for generating a touch readout signal. The signal processing unit performs an OR operation on two touch readout signals generated during different sense periods based on different sensing capacitor combinations regarding same panel touch position for providing a touch position signal.

Touch panel device having high touch sensitivity and touch positioning method thereof

Multipoint tracking is performed by receiving raw data of an image, calculating line average values for a plurality of lines of the raw data, filtering the raw data according to the line average values to generate filtered data, performing a dilation algorithm on the filtered data to generate dilated data, performing an erosion algorithm on the dilated data to generate eroded data, performing edge detection on the eroded data for identifying touch regions of the raw data, performing a labeling algorithm on the touch regions, calculating centers of gravity for the touch regions, and generating a multipoint tracking result according to the centers of gravity.

Multipoint tracking method and related device

An active TFT circuit structure with current scaling function is disclosed, which includes a current source, a data line, a scan line, a direct current voltage source, capacitors and four transistors, wherein the capacitors form a cascade structure. During the ON-state, the two of the transistors are turn-on based on the voltage provided by the scan line, so that the data current provided by the current source flows through the data line-and the transistor which is one of the opened transistors, thereby arriving an emitting light element and the transistor connected to the emitting light element. When the pixel circuit changes from ON- to OFF-state, the voltage of the node between the storage capacitors reduces due to the feed-through effect of one of storage capacitor, thereby reducing the driving current of the emitting light element. Therefore, it can be achieved the current scaling function.

Current-scaling active thin film transistor circuit structure for pixel of display device

Growing community of inventors

Hsin-Chu, Taiwan

Chia-Feng Yang