Abstract: The present invention relates to a drive circuit of light source by color sequential method for generating a full-color image based on sequential switching between red, green and blue illuminations. The drive circuit of light source by color sequential method includes a color-sequential control circuit and a plurality of radiating areas coupled to multiple light units. The color-sequential control circuit is connected to those radiating areas to control the operation thereof by the color sequential method.

Abstract: A color sequential liquid crystal display (LCD) device is disclosed in the present invention. The color sequential LCD device includes an LCD panel, a backlight module, an image processing circuit and a timing control circuit. The image processing circuit is utilized for performing image processing on an image data to generate a frame data with full color information, and sorting the frame data to generate a plurality of frame data based on a predetermined color sequence. The timing controller is utilized for controlling the LCD panel and the backlight module to display the plurality of field data outputted by the image processing circuit, so as to achieve color mixing in time domain.

Abstract: A driving apparatus, a driving method and a liquid crystal display (LCD) using the same are provided, wherein the method includes the following steps of: setting a color display sequence, wherein the color display sequence is RGBG, RGRB or RBGB; alternately reading frame data from a first frame register and a second register according to a frame period having three field periods; and sequentially displaying four color data in a cycle period having four field periods according to the color display sequence and the read frame data. By utilizing the method in the present invention, color loss of a field sequential color display occurred in a lower temperature environment is improved.

Abstract: A color sequential liquid crystal display (color-sequential-LCD) and an LCD panel driving method thereof are disclosed. By changing the arrangement of the pixel array in the LCD panel and turning on several rows of pixels in the LCD panel at the same time, so that the color sequential LCD of the present invention not only respectively reduces the scanning time of red, green and blue video data to make the liquid crystal molecules of all the pixels on the LCD panel have enough response time but also respectively increases the lighting-up time of the red, green and blue light emitting diodes of the back light module to promote the display brightness of the entire LCD panel. Therefore, the color sequential LCD of the present invention displays a single color or a full color image without the bottom color mixing phenomenon, and furthermore, the display brightness thereof can be promoted.

Abstract: A convergence calibration method for a display includes generating a test pattern of similar width with respect to a sensor and expanding the area of the test pattern from one side of the sensor until the whole sensor is illuminated. During the process of expanding the test pattern, the sensor continues to measure signals from the test patterns. Based on the maximum energy measured by the sensor, a digital judgment is performed for calculating convergence parameters.

Abstract: A back light module and a method for driving the back light module are disclosed. The back light module includes a plurality of light emitting units and a driving unit. The driving unit is electrically connected to the light emitting units and utilized for driving the light emitting units according to a switched-on number of the light emitting units and a dithering scheme.

Abstract: A method for driving a display device includes the following steps: providing a first displaying data to a first region of a display panel, wherein the first displaying data is a first color displaying data; providing a backlight source of the first color at the first region; and displaying a black color at a specific region neighboring to the first region. Accordingly two different colors will not neighbor with each other based on the above-mentioned method and thus the color deviation problem caused by different color backlight sources is solved by this invention.

Abstract: An illumination system including a light source module, a first integral lens array, a cylindrical lens array, a polarization beam splitter converter, a cylindrical lens, a condenser lens, and a collimator lens is provided. The light source module is suitable for providing a white light, and the first integral lens array, the cylindrical lens array, the polarization beam splitter converter, the cylindrical lens, the condenser lens, and the collimator lens are sequentially disposed on a optical path of the white light. Thus, the cylindrical lens array can adjust the shape of the light spots which are formed by focusing the white light for the light spots nearly completely passing through the polarization beam splitter converter to increase the light utilization of the illumination system. Additionally, a projection system including the illumination system mentioned above and a liquid crystal display panel is also provided.

Abstract: A circuit for adjusting image is adapted for rear projection display. The circuit for adjusting image includes a parameter input unit, a data buffer unit, and a geometry transfer unit. The parameter input unit is used to provide a vertical and a horizontal axis amendment parameters. The data buffer unit couples the parameter input unit to buffer the vertical axis amendment parameter and the horizontal axis amendment parameter. The geometry transfer unit is used to receive input frame data with a plurality of pixels, and then every pixel's vertical axis coordinates multiply the vertical axis amendment parameter to transfer every pixel to a new vertical axis coordinate, and every pixel's horizontal axis coordinates multiply the horizontal axis amendment parameter to transfer every pixel to a new horizontal axis coordinate. Finally, the transferred new vertical and horizontal axis coordinates are transmitted to a display for displaying images for users to watch.

Abstract: A projection display includes a housing, a display panel, a power plug for electrically connecting to an external power source and receiving power provided by the external power source, a light source electrically connected to the power plug for emitting light onto the display panel when receiving power from the power plug, a heat-ventilating device for ventilating heat generated by the light source to a region outside of the housing, a power storage device for storing power, and a power detector electrically connected to the heat-ventilating device, the power storage device, and the power plug for selectively electrically connecting the heat-ventilating device either to the power plug or to the power storage device.

Abstract: A projection apparatus including an illumination system, a display device and an imaging system is described. The illumination system includes a light source for providing a light beam and an optical mirror disposed on a transmission path of the light beam. In particular, an angle is existed between the optical mirror and the transmission path, and the visible light is reflected by the optical mirror while the ultraviolet light and infrared light pass through the optical mirror. The display device is disposed on a transmission path of the visible light so as to form an image beam. The imaging system is disposed on a transmission path of the image beam.

Abstract: A fast control method controls the time of switch on-off and the stand-by operation of a projection television. The method with control units including state-assigned flags, state-completed flags and delay of a time control unit quickly carries out state transformations of the system to shorten the period turning on/off the system and to prevent the system from suffering.

Abstract: A projection display includes a housing, a display panel, a power plug for electrically connecting to an external power source and receiving power provided by the external power source, a light source electrically connected to the power plug for emitting light onto the display panel when receiving power from the power plug, a heat-ventilating device for ventilating heat generated by the light source to a region outside of the housing, a power storage device for storing power, and a power detector electrically connected to the heat-ventilating device, the power storage device, and the power plug for selectively electrically connecting the heat-ventilating device either to the power plug or to the power storage device.

Abstract: A convergence calibration method for a display includes generating a test pattern of similar width with respect to a sensor and expanding the area of the test pattern from one side of the sensor until the whole sensor is illuminated. During the process of expanding the test pattern, the sensor continues to measure signals from the test patterns. Based on the maximum energy measured by the sensor, a digital judgment is performed for calculating convergence parameters.

Abstract: A passive control system for taking a three dimensional picture comprises a 2D-3D converting device, and a rotary disk apparatus. The 2D-3D converting device at one end thereof connects with a digital picture taking apparatus via a shift interface and at the other end thereof connects with a data processing center. The 2D-3D converting device provides a preset program to regulate the digital picture taking apparatus with a start of scanning at a preset time. The rotary disk apparatus provides a positioning interface to connect with a rotary disk thereof and the rotary disk is able to stay in place after turning a preset angular displace in accordance with the preset program. An object to be taken a picture is placed on the rotary disk and is taken a picture by the digital picture taking apparatus as soon as the rotary disk is turned the preset angular displacement once.