Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Wuhan China Star Optoelectronics Technology Co., Ltd.

Minlun Liu

Qibing Dai

Dan Lin

Weinan Yan

A touch display device is provided and includes a substrate, light emitting layer, encapsulation layer, a touch layer, and a touch driver inspection circuit. The touch layer includes a plurality of touch electrode units. The touch driver inspection circuit is connected to each of the touch electrode units the touch layer and is configured to monitor a touch position according to variation of a capacitance of the touch electrode units. The touch driver inspection circuit is further configured to monitor a pressure of the touch position according to variation of pressures on the touch electrode units.

Touch display device

A display panel and a testing method thereof, the display panel including a product region and a cutting region, and the product region including a display sub-region and a non-display sub-region. The display panel includes a flexible substrate, a thin film transistor layer, an organic light-emitting layer, a encapsulation layer, and a touch layer. The touch layer includes touch electrodes and touch leads. An end of each of the touch leads is connected to a corresponding touch electrode, the other end of each of the touch leads extends from the non-display sub-region to the cutting region, and a density of the touch leads in the cutting region is less than a density of the touch leads in the non-display sub-region.

Display panel and testing method thereof

The present disclosure relates to an driving method of an active matrix organic light-emitting diode (AMOLED) display panel, including: calculating a first proportion group and a second proportion group corresponding to each of color channels in display images of the AMOLED display panel at the first moment and the second moment, determining whether the first proportion group and the second proportion group are the same, calculating a theoretical current value corresponding to a target color channel to maintain a predetermined display brightness, obtaining an actual current value transmitted by the current detector, comparing the actual current value with the theoretical current value by the comparator, obtaining a target driving voltage value corresponding to a target proportion in the second proportion group when the actual current value is greater than the theoretical current value, adjusting a driving voltage provided by the PMIC power supply to the target drive voltage.

Driving method of active matrix organic light-emitting diode (AMOLED) display panel and display device

A touch display panel and an electronic device are provided. The touch display panel comprises a display panel comprising a display area and a non-display area, a touch layer arranged on the display panel and in the display area, a functional multiplexing chip configured to drive the display panel to display and to drive the touch layer for touch sensing, a flexible printed circuit (FPC), connected to the non-display area of the display panel, and a memory chip configured to store information arranged on the FPC and electrically connected to the functional multiplexing chip.

Touch display panel with reduced number of chips and electronic device including the same

The present disclosure provides a touch panel structure and a flexible touch display device. The touch panel structure includes a plurality of first touch electrode chains and a plurality of second touch electrode chains insulated from and in cross-connection with the first touch electrode chains; each of the first touch electrode chains includes a plurality of spaced-apart first touch electrodes, and the adjacent two of the first touch electrodes are electrically connected through the first connecting portion, the first connecting portion includes at least two conductive bridges; two adjacent second touch electrodes are electrically connected through a second connecting portion, and the first connecting portion is stacked on the second connecting portion and insulated from the second connecting portion. The touch panel structure can not only increase the contact area between the first connection portion and the corresponding touch electrode but also reduce the contact resistance.

Touch panel structure and flexible touch display device

An OLED touch display panel and a driving method are provided. The OLED touch display panel includes a cathode layer. The cathode layer is divided into the two sub-cathodes separated from each other and also serving as touch electrodes. In a pixel circuit of the OLED touch display panel, under common operations of a first input terminal and a second input terminal fed with different voltages, the OLED touch display panel normally emits light or does not emit light.

OLED touch display panel having cathode of OLED circuit also serving as touch electrodes and driving method thereof

A method of prolonging a lifetime of a display includes monitoring a display time period of a displaying image; determine whether the display time period of the display image is not less than a predetermined time period; and lowering a resolution of the displaying image if the display time period of the display image is not less than the predetermined time period. A display is also provided. By using the display and the method of prolonging lifetime of the display according to the present embodiment, the requirement energy of displaying image is greatly reduced, thereby saving cost. In addition, all of the pixels are alternately applied to data voltage to display during displaying frames. Accordingly, a lifetime of each of pixels and the display are prolonged.

Display and method of prolonging lifetime of display

This disclosure discloses a foldable panel, including a flexible display panel and a driver IC, the driver IC is arranged at a bonding end of a flexible substrate of the panel, and the bonding end is bent backward to the contrary direction of a light side of the panel, so that the driver IC is located at back side of the substrate; a thin film wiring layer connected between an active area and the driver IC is also arranged on the substrate, conductive wires are disposed on the thin film wiring layer for connecting the panel and the driver IC. This disclosure also discloses a method of manufacturing the foldable panel. By using the method, the active area proportion of the panel can be the maximum, this disclosure also ensures the circuit having good bending performance and avoids the use of COF and the risk of fracturing wires.

Growing community of inventors

Guangdong, China

Minlun Liu