Hannstar Display Corporation

Yu-Cheng Lin

Hsing-Ying Lee

Kun-Hua Tsai

Ping-Yuan Su

Hsu-Ho Wu

Hsuan-Chen Liu

Cheng-Yen Yeh

Chien-Ting Chan

Chia-Hua Yu

Chen-Hao Su

Yu-Chen Liu

Chung-Lin Chang

Chih-Hsuan Lee

A display device has a display area and a peripheral area, and includes an array substrate. The array substrate includes M number of pixel unit columns disposed in the display area and a first dummy electrode disposed in the peripheral area, where M is a positive integer greater than or equal to 2. The M number of pixel unit columns include a first pixel unit column to an Mpixel unit column arranged in sequence. Each of the M number of pixel unit columns includes a plurality of pixel units arranged in sequence. The first dummy electrode is located on one side of the first pixel unit column. During a frame period, the first pixel unit column receives the first pixel signal, and the first dummy electrode receives the first dummy signal. The polarity of the first pixel signal is different from that of the first dummy signal.

Display device

A signal generating circuit for providing signals to a gate driving circuit of a display device is provided. The gate driving circuit has plural shift registers each having a main circuit unit and a discharge circuit unit. The discharge circuit units of at least some of the shift registers are configured to receive a pull-down control signal. The main circuit unit of a first stage shift register of the shift registers is configured to receive a starting signal. The signal generating circuit includes a first circuit unit that is configured to output the pull-down control signal and the starting signal to the gate driving circuit. The starting signal switches from a disabling voltage level to an enabling voltage level at a first time point. The pull-down control signal switches from a disabling voltage level to an enabling voltage level at a second time point before the first time point.

Signal generating circuit and display device

A touch display apparatus including a display panel and multiple touch electrodes disposed on the display panel is provided. The display panel has a plurality of pixel regions. Each of the pixel regions is arranged with a first pixel pitch Palong a first direction. Each of the pixel regions is arranged with a second pixel pitch Palong a second direction. Each touch electrode has a plurality of touch patterns. Each of the touch patterns is arranged with a first touch pitch Palong the first direction. Each of the touch patterns includes a plurality of bent segments connected to each other. Each of the bent segments is arranged with a second touch pitch Palong the second direction. The first pixel pitch P, the second pixel pitch P, the first touch pitch Pand the second touch pitch Psatisfy at least one of the following equations (1) and (2): 

Touch display apparatus

A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.

Touch-sensing liquid crystal panel and fabrication method thereof

A touch-sensing liquid crystal panel is provided and includes a color filter substrate and a transistor substrate. The color filter substrate includes a first substrate, a sensing array, touch-sensing circuit contact pads, and color filters. The transistor substrate includes a second substrate and pixel units. In one embodiment, the first substrate has a first edge region and a second edge region having the same width. In another embodiment, the touch-sensing circuit contact pads are disposed at the first edge region and the second edge region of the first substrate, and each conductive pattern in the sensing array is connected to the touch-sensing circuit contact pads of the first edge region and the second edge region. In another embodiment, each conductive pattern of the sensing array includes two first conductive patterns and conductive pattern rows disposed between the first conductive patterns.

Touch-sensing liquid crystal panel

A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate, a transistor substrate, and a sensing matrix. In the fabrication method, at first, a first glass substrate is provided. Then, color filters and a common electrode are disposed on a first surface of the first glass substrate to form a color filter substrate. Thereafter, a transistor substrate is combined with the color filter substrate. Then, the glass substrates of the color filter substrate and the transistor substrate are slimed. Thereafter, a sensing layer is formed on a second surface of the first glass substrate, wherein the second surface is opposite to the first surface. Then, the sensing layer is baked to enable a sheet resistance of the sensing matrix to be equal to or less than 30 ohm/square. Thereafter, the sensing layer is patterned.

A touch panel that includes a first substrate, a touch sensing layer, a compensation pattern layer, a second substrate, and a first optical adhesive layer is provided. The touch sensing layer includes a plurality of electrode sets arranged in parallel, and each of the electrode sets includes a scan electrode and a plurality of sensing electrodes. An orthogonal projection of the touch sensing layer on the first substrate is not overlapped with an orthogonal projection of the compensation pattern layer on the first substrate. The compensation pattern layer and the touch sensing layer are located between the first substrate and the second substrate. The first optical adhesive layer is located between the first substrate and the second substrate. A touch display is also provided.

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Pingtung County, Taiwan

Yu-Cheng Lin