Abstract:
An LCD panel having a novel substrate structure, which has optical characteristics that extend the range of horizontal viewing angles with improved contrast ratio, and that extend range of vertical viewing angles with reduced grayscale inversion effect. In one aspect, the substrate structure includes an alignment layer provided with a plurality of first alignment grooves that are aligned at an angle close to an axis parallel to one edge of the display area. The angle may be 0° or ranges from +20° to −20° relative to the edge of the display area. The LCD panel comprises two opposing substrate structures, with the alignment grooves orthogonal to each other.
Abstract:
Systems for displaying images are provided. In this regard, a representative system incorporates a signal driving circuit that includes a plurality of PMOS shift registers connected in series and controlled only by a first clock signal and a second clock signal, wherein the PMOS shift registers are operative to output corresponding driving pulses in turn after receiving a start pulse.
Abstract:
The present invention provides a backlight unit. The backlight unit includes a light guide plate (LGP) having a incident surface and a plurality of light emitting diodes (LEDs) disposed adjacent to the incident surface. Each LED has an light-emitting axis, and the light-emitting axes are not parallel. The present invention further provides a liquid crystal display module including the backlight unit described above and a liquid crystal display panel disposed over the backlight unit. Moreover, the present invention provides an electronic device including the liquid crystal display module described above and a control circuitry electrically connected to the liquid crystal display module.
Abstract:
Systems for providing driving voltage of display panels. An exemplary system comprises a data driving circuit with a plurality of driving units generating analog voltage to drive corresponding pixels according to digital data signals from a data bus, each comprising a temporary storage unit storing N digital data in sequence according to N control signals in a first period and outputting the N digital data in sequence according to M switching signals in a second period; a digital-to-analog (DA) conversion unit converting the N digital data to N analog voltages in sequence; an analog buffering unit buffering the N analog voltages from the DA conversion unit; and a de-multiplexer outputting the N analog voltages to the corresponding pixels selectively according to an enabling signal.
Abstract:
Methods for driving devices capable of displaying images and processing audio messages are provided. A representative method comprises: operating a device capable of displaying images and processing audio messages at a first operating frequency when the device is not processing audio messages; and operating the device at a second operating frequency higher than the first frequency when the device is processing audio messages.
Abstract:
The invention discloses a stacked storage capacitor structure for a LTPS TFT-LCD comprising a processed substrate, a first storage capacitor and a second storage capacitor. The first storage capacitor comprises a first conductive layer, a second conductive layer and a first insulating layer therebetween. The stacked storage capacitor structure further comprises a third conductive layer including a first portion and an extended second portion. The second storage capacitor comprises the second conductive layer, the extended second portion of the third conductive layer and a second insulating layer therebetween.
Abstract:
Systems for driving displays are provided. In this regard, an representative system for driving a display comprises a signal driving circuit having a first shift register and a second shift register coupled in series to the first shift register. The signal driving circuit is operative to drive a display according to inputs provided by only two clock signals.
Abstract:
A liquid crystal display panel having a plurality of pixels is provided. Each pixel may include a first substrate, a second substrate, a liquid crystal layer, a reflective layer and a cover layer. A surface of the second substrate includes a second transparent electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The reflective layer is disposed over at least a portion of the second transparent electrode. The cover layer is disposed over the reflective layer.
Abstract:
Systems for providing electrostatic discharge (ESD) protection. One of the Systems has a plurality of first-type thin film diode elements coupled to each other in series, and a plurality of second-type thin film diode elements coupled to each other in series. The first-type thin film elements are electrically connected to a signal line between an input end and a main circuit, and the second-type thin film diode elements are electrically connected to the signal line between the input end and the main circuit.
Abstract:
Driving methods and devices are provided. In a representative method, Nth and (N+K)th rows of pixels are scanned sequentially and a signal of a first polarity is provided in sequence to the Nth and (N+K)th rows of scanned pixels, during a first period of a frame period. During a second period of the frame period, (N+l)th and (N+K+1)th rows of pixels are scanned sequentially and a signal of a second polarity is provided in sequence to the (N+1)th and (N+K+1)th rows of scanned pixels, wherein N and K are both integers, N>0, K is even and K>1.