Abstract: A display apparatus includes an image display unit including electro-optic elements and pixel drive circuits arranged two-dimensionally in row and column directions, a first power supplying line for supplying a first potential to the image display unit, and plural data lines severally connected to columns of the image display unit for supplying data signals to the pixel circuits. In addition, plural scanning lines cross the data lines, a data line drive circuit drives the data lines, and a scanning line drive circuit drives the scanning lines. A second potential is supplied to the scanning line drive circuit through a second power supplying line, and the display apparatus is provided with elements for shifting potential of the scanning lines to the first potential of the first electric power supplying line when the second potential is lower than the first potential.
Abstract: This invention offers an LCD drive circuit that prevents conversion to a wrong duty driving state and an unintended display caused by taking in of serial data corresponding to the wrong duty driving state. The LCD drive circuit is provided with an LCD drive signal generation circuit that generates driving signals to turn LCD segments on and off based on serial data received by a serial data receiving circuit and is switchable between a ¼ duty driving state and a ? duty driving state. The LCD drive circuit is also provided with a driving state setting circuit that sets the LCD drive signal generation circuit to the ¼ duty driving state based on identification data when the serial data receiving circuit receives the serial data corresponding to the ¼ duty driving state and thereafter forbids the LCD drive signal generation circuit to take in serial data corresponding to the ? duty driving state when the serial data receiving circuit receives the serial data corresponding to the ? duty driving state.
Abstract: An OLED display having a correction circuit for producing corrected image data in response to the first image data and in response to correction data to correct for brightness unevenness due to TFT variations; a memory for storing first image data or correction data; a switch effective in first and second states in response to a function switching signal having first and second conditions, respectively; and circuitry for causing the switch to be in the first state to connect the memory to the image input signal interface and to provide the stored first image data to the panel as the second image data; and for causing the switch to be in the second state to connect the memory to the correction circuit, provide the stored correction data to the correction circuit, and provide the corrected image data to the panel as the second image data.
Type:
Grant
Filed:
March 10, 2009
Date of Patent:
April 3, 2012
Assignees:
Semiconductor Manufacturing International (Shanghai) Corporation, Global OLED Technology, LLC.
Abstract: A user device with a position control device such as a thumbstick may be used to emulate discrete button presses via user selection of a mode switch on the device.
Abstract: A method and system for adjusting a screen resolution of a liquid crystal display module (LCM) of a portable electronic device are provided. The portable electronic device includes a touch panel, and a bay configured to receive and hold a stylus. The method includes receiving input signals received from the touch panel corresponding to user inputs, detecting usage statuses of the user inputs and generating a status notification indicative of the usage statuses of the user inputs; and adjusting the screen resolution of the LCM according to a determined current resolution mode of the LCM and a determined incompatibility of the resolution mode.