Chimei Innolux Corporation

Tpo Displays Corporation

Htc Corporation

Innolux Corporation

Ipo Displays Corp

Fu-Yuan Hsueh

Wei-Cheng Lin

Kai-Chieh Yang

Keiichi Sano

I-Lin Wu

Cheng-Ho Yu

Tzu-Yu Cheng

Ting-Kuo Chang

Ya-Hsiang Tai

Yung-Ming Huang

A display panel is provided. The display panel includes a first substrate and a second substrate. The second substrate comprises a center region, a first border region and a second border region. The center region has a first center region edge and a second center region edge. The center region corresponds to an active area for displaying an image of the display panel. The first border region, adjacent to the center region and located outside the first center region edge, has a first border region edge. The second border region, adjacent to the center region and located outside the second center region edge, has a second border region edge. The distance between the first center region edge and the first border region edge is larger than the distance between the second center region edge and the second border region edge.

Display panel

A decorative structure for a touch sensing device is provided. The structure comprises a transparent substrate, a low diffusivity material layer and a protective layer. The transparent substrate has a non-touch surface having a non-image display area. The low diffusivity material layer is disposed on the non-touch surface of the transparent substrate and corresponds to the non-image display area, wherein the low diffusivity material layer has a reflectivity of less than 10%. The protective layer is disposed on the low diffusivity material layer and has at least a first opening pattern to allow a light to sequentially pass through the low diffusivity material layer and the transparent substrate from the first opening pattern.

Decorative structure for touch sensing device and fabrication method thereof

A touch panel includes a substrate having a first surface and a bonding region, first electrode lines, sets of electrode pads, first connecting lines, second connecting lines, and a flexible printed circuit having bridge lines and bonded to the bonding region. The first electrode lines are arranged abreast on the first surface along a first direction and respectively extend along a second direction intersecting the second direction. Each electrode pads set is arranged aside the corresponding first electrode line along the second direction. The first connecting lines are respectively connected to the first electrode lines, and the second connecting lines are respectively connected to the electrode pads, and both the first and second connecting lines extend to the bonding region along the second direction. The bridge lines are respectively connected to the second connecting lines, so that the corresponding electrode pads in the first direction form a second electrode line.

Touch panel

A sensing device is provided to sense light and generates a sensing output signal indicating intensity of the light. The sensing device includes a photo element, a comparison circuit, and a logic circuit. The photo element senses the light and generates a current signal at a first node. The comparison circuit is coupled to the first node and receives the current signal. The comparison circuit includes a filter for filtering a high-frequency component on the current signal, and the comparison circuit generates a result signal according to the filtered current signal. The logic circuit receives the result signal and performs a logic operation to the result signal to generate the sensing output signal.

Sensing devices and electronic apparatuses using the same

A system for displaying images is provided. The system comprises a reference voltage source, a digital-to-analog converter, a multiplier and a buffer. The reference voltage source outputs a voltage signal, wherein the magnitude of the voltage signal is 1/N of a driving voltage. The digital-to-analog converter converts the voltage signal to a first voltage. The multiplier receives and multiplies the first voltage by N to output the driving voltage. The buffer receives the driving voltage to drive a data line.

Systems for displaying images

A control circuit for a touch panel including a capacitor module coupled to a node. The control circuit includes a power supply, a discharging unit, and a compared unit. The power supply provides a voltage to the node. The discharging unit discharges the node. The compared unit generates an output signal according to the voltage of the node.

Control method, circuit, and electronic system utilizing the same

An image display system includes a gate driving circuit. The gate driving circuit includes several stages of gate drivers each for generating a gate driving signal to drive a row of pixels. Each stage of the gate driver receives a clock signal and a first reset signal. A first stage of the gate driver receives a vertical start pulse as an input signal of the first stage. The remaining stages of the gate drivers respectively receive the gate driving signal generated by a previous stage of the gate driver as the input signal of the remaining stages. Each stage of the gate drivers further receives the gate driving signal generated by a next stage of the gate driver as a second reset signal, and generates the corresponding gate driving signal according to the clock signal, the first reset signal, and the corresponding input signal and second reset signal.

Image display system and gate driver circuit

A sensing circuit discharge control method and device for a touch panel are disclosed. A discharging duration of a current source in the sensing circuit of the touch panel is fine tuned in a digital control manner, so as to control the discharging amount of the sensing circuit without frequently adjusting the discharging current of the current source. By using the present invention, discharging time difference between a condition in which a touch event occurs and a condition in which no touch event occurs for each sensing circuit can approach the same.

Sensing circuit discharge control method and device for touch panel

The present invention relates to a projecting capacitive touch sensing device, display panel, and image display system. The projecting capacitive touch sensing comprises an array of a plurality of sensing units, each sensing unit including: a first electrode made of a sensing material, at least one second electrode made of a sensing material and being disposed around the peripheral of the first electrode, at least one first sensing axis electrically connected to the first electrode, and at least one second sensing axis electrically connected to the second electrodes. The first electrode is quadrangle, while the second electrodes are triangular-shaped. The first electrode and the plurality of second electrodes are arranged to form a rectangular, and a non-sensing area is defined between the first electrode and the second electrodes.

Projecting capacitive touch sensing device, display panel, and image display system

A source-follower-type analogue buffer with an active load, a new compensating operation and a display with the source-follower-type analogue buffers are developed to reduce an error voltage which is the difference between an input voltage and an output voltage of the analogue buffer. The source-follower type analogue buffer can also minimize the variation from both the charging time and the device characteristics and maximize the range of the input voltage.

Source-follower type analogue buffer, compensating operation method thereof, and display therewith

A source follower is disclosed. A driving transistor comprises a first gate receiving an input signal. An active load is connected to the driving transistor in series between a first voltage source and a second voltage source and coupled to the driving transistor at a first point. A first switch is coupled between the first voltage source and the first gate. A first capacitor is coupled to a second switch at a second point. A third switch is connected to the first capacitor at a third point and connected to the second switch and the first capacitor in series between the first gate and the second voltage source. A fourth switch is coupled between the third point and the first point. A fifth switch is coupled between the first point and a fourth point.

Source follower and electronic system utilizing the same

Systems for displaying images. The system comprises a digital-to-analog converter, in which a first conversion stage selects first and second voltages of a plurality of reference voltages according to m most significant bits of a k bit input signal; and a second conversion stage converting n least significant bits of the k bit input signal to a voltage between the first and second voltages. In the second conversion stage, according to first and second bits of the least significant bits, a first switching capacitor unit charges a first capacitor during a first period and then the second switching capacitor unit performs a first charge sharing between the first capacitor and a second capacitor, and the first switching capacitor unit charges the first capacitor again and then the second switching capacitor unit performs a second charge sharing between the first capacitor and the second capacitor.

Growing community of inventors

Taoyuan County, Taiwan

Fu-Yuan Hsueh