Patent classifications
G09G3/367
LIQUID CRYSTAL DISPLAY AND METHOD FOR DRIVING SAME
Disclosed is a liquid crystal display, comprising a liquid crystal panel 10 and a driving module 20. The liquid crystal panel 10 comprises a plurality of liquid crystal pixels P.sub.ab arranged in an array. The liquid crystal display is configured to display the same picture in two frames separated by one frame. The driving module 20 is used for separately providing different pixel voltages of the same polarity to each liquid crystal pixel in the two frames separated by one frame, so as to deflect liquid crystal molecules of each liquid crystal pixel. In each of the two frames separated by one frame, the pixel voltage of each liquid crystal pixel is different from the pixel voltages of adjacent liquid crystal pixels around. Also disclosed is a method for driving a liquid crystal display.
Methods and circuits for diode-based display backplanes and electronic displays
An electronic display includes a plurality of pixels, each pixel including a data line, first and second selection lines and a common electrode. A control circuit element includes first and second diode-like elements coupled between the first and second selection lines and a charging node. A charging capacitive element is coupled between the charging node and the date line. An active pixel element is coupled between the charging node and the common electrode. The common electrode can overly the entire electronic display and is a suitable transparent conductive material. Each of the first and second diode-like elements includes an amorphous metal non-linear resistor. The active pixel element may include one of liquid crystal display circuitry, light emitting diode circuitry, and electrophoretic circuitry.
Power supply unit and display device including the same
Disclosed are a power supply unit and a display device including the same, which prevent a source drive IC from being damaged by a supply reversal between a VDD voltage and an HVDD voltage. The power supply unit may include a first voltage generator that generates a first voltage and a first voltage line connected to the first voltage generator for supplying the first voltage to a plurality of first source drive ICs of the display panel. A second voltage generator is included that generates a second voltage, and a second voltage line is connected to the second voltage generator for supplying the second voltage to a plurality of second source drive ICs of the display panel. The power supply unit may further include a diode circuit that includes at least one diode connected between the first voltage line and the second voltage line.
LIQUID CRYSTAL DISPLAY DEVICE
A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal pixels, wherein the liquid crystal panel is configured to display a same picture in two adjacent frames; a driving module disposed on the non-display area, wherein the driving module is used to respectively provide each liquid crystal pixel with a same polarity pixel voltage of different levels in the two adjacent frames so as to deflect liquid crystal molecules of each liquid crystal pixel, and in each frame of the two adjacent frames, the level of the pixel voltage of each liquid crystal pixel is different from the level of the pixel voltage of the adjacent liquid crystal pixels in front, back, left or right.
Semiconductor device, display device, and electronic device
A semiconductor device with low power consumption is provided. The semiconductor device includes a controller, a register, and an image processing portion. The image processing portion has a function of processing image data using a parameter. The image processing portion takes the image data from a frame memory and takes the parameter from the register. The frame memory has a function of retaining the image data while power supply is stopped. The register has a function of retaining the parameter while power supply is stopped. The controller has a function of controlling power supply to the register, the frame memory, and the image processing portion.
LIQUID CRYSTAL DISPLAY DEVICE
A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal pixels, wherein the liquid crystal panel is configured to display a same picture in two adjacent frames; a driving module disposed on the non-display area, wherein the driving module is used to respectively provide each liquid crystal pixel with a same polarity pixel voltage of different levels in the two adjacent frames so as to deflect liquid crystal molecules of each liquid crystal pixel, and in each frame of the two adjacent frames, the level of the pixel voltage of each liquid crystal pixel is different from the level of the pixel voltage of the adjacent liquid crystal pixels in front, back, left or right.
DISPLAY DEVICE
A pixel circuit includes a pixel control unit, a first switching unit, a second switching unit, an inverter, a memory capacitor, and a pixel capacitor. The pixel control unit is coupled to a source line and a gate line. The first switching unit has a first terminal coupled to the pixel control unit, and a second terminal. The inverter has an input terminal coupled to the second terminal of the first switching unit, and an output terminal. The memory capacitor is coupled to the first terminal of the first switching unit and receives a first voltage or a second voltage higher than the first voltage. The second switching unit has a first terminal coupled to the pixel control unit, and a second terminal coupled to the output terminal of the inverter. The pixel capacitor is coupled to a common line and the output terminal of the inverter.
LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF
A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal pixels, wherein the liquid crystal panel is configured to display a same picture in two adjacent frames; a driving module disposed on the non-display area, wherein the driving module is used to respectively provide each liquid crystal pixel with a same polarity pixel voltage of different levels in the two adjacent frames so as to deflect liquid crystal molecules of each liquid crystal pixel, and in each frame of the two adjacent frames, the level of the pixel voltage of each liquid crystal pixel is different from the level of the pixel voltage of the adjacent liquid crystal pixels in front, back, left or right.
TECHNIQUES FOR TESTING ELECTRICALLY CONFIGURABLE DIGITAL DISPLAYS, AND ASSOCIATED DISPLAY ARCHITECTURE
The present techniques are capable of identifying and pinpointing defective microdrivers and/or row/column drivers either before or after any LEDs have been placed on the display. Using the architectures described herein, test data may be delivered in a parallel fashion to the drivers from support circuitry, such as a timing controller and/or a main board, and outputs based on the test data may be similarly delivered back to the support circuitry do determine which drivers are defective. This yields access to the output of every microdriver and row drier, thus enabling the identification of specific defective elements.
POWER SUPPLY UNIT AND DISPLAY DEVICE INCLUDING THE SAME
Disclosed are a power supply unit and a display device including the same, which prevent a source drive IC from being damaged by a supply reversal between a VDD voltage and an HVDD voltage. The power supply unit may include a first voltage generator that generates a first voltage and a first voltage line connected to the first voltage generator for supplying the first voltage to a plurality of first source drive ICs of the display panel. A second voltage generator is included that generates a second voltage, and a second voltage line is connected to the second voltage generator for supplying the second voltage to a plurality of second source drive ICs of the display panel. The power supply unit may further include a diode circuit that includes at least one diode connected between the first voltage line and the second voltage line.