Abstract:
An estimation method of the temperature of the filaments in the hot cathode fluorescent lamp (HCFL) is cooperated with a driving circuit, which drives a filament so that the filament has a filament voltage and a filament current. The estimation method includes the steps of measuring the filament voltage and/or the filament current calculating an equivalent resistance of the filament in accordance with the filament voltage and the filament current, and estimating the temperature of the filament in accordance with the equivalent resistance. A control method and a driving method of the HCFL are also disclosed.
Abstract:
A video display driving method includes: a data transforming process of transforming first sub-video frame data into a preset-voltage signal and a post-set-voltage signal and transforming second sub-video frame data into a preset-voltage signal and a post-set-voltage signal; a display driving process of sequentially writing the preset-voltage signal and the post-set-voltage signal of the first sub-video frame data and the preset-voltage signal and the post-set-voltage signal of the second sub-video frame data into a pixel during a frame time; a light control process of controlling a brightness of light of a first light-emitting unit to present a first average brightness during a corresponding time of writing the preset-voltage signal of the first sub-video frame data into the pixel, and to present a second average brightness higher than the first average brightness during a corresponding time of writing the post-set-voltage signal of the first sub-video frame data into the pixel.
Abstract:
A liquid crystal display apparatus includes a backlight module and a liquid crystal display panel. The backlight module includes a back plate and a plurality of lamp sets. The lamp sets are disposed on the back plate. Each of the lamp sets includes a plurality of lamps for emitting lights of at least two colors. The liquid crystal display panel is disposed adjacent to the backlight module. A light emitting unit is also disclosed.
Abstract:
An illumination device includes a reflective cover, at least one light emitting diode (LED), a first electrical conductive body and a second electrical conductive body. The reflective cover has an opening, and the LED is disposed therein. The first ends of the first electrical conductive body and the second electrical conductive body are respectively electrically connected to the LED.
Abstract:
A method of manufacturing a glass circuit board includes the steps of: providing a glass substrate; forming a patterned metal layer on a surface of the glass substrate to expose a part of the surface; forming an insulating layer, with at least one opening, on the surface of the glass substrate and the patterned metal layer; and forming a metal connecting layer in the opening of the insulating layer. A glass circuit board manufactured by the method includes a glass substrate, a patterned metal layer, an insulating layer and a metal connecting layer. The glass substrate has a surface. The patterned metal layer is disposed on the surface of the glass substrate. The insulating layer is disposed on a part of the surface of the glass substrate and the patterned metal layer, and has at least one opening. The metal connecting layer is disposed in the opening of the insulating layer.
Abstract:
A control method of a display apparatus. The display apparatus includes a light source module for generating at least one first light source and a second light source, and a display plane for displaying at least one image frame, which has a first sub-frame and a second sub-frame. The control method includes the steps of displaying an image of the first sub-frame on the display plane during a first time, and displaying an image of the second sub-frame on the display plane with a first distance from the image of the first sub-frame during a second time.
Abstract:
An LCD (liquid crystal display) panel is electrically connected to a control circuit board, which at least outputs a digital signal. The LCD panel includes a transistor substrate, a color filter plate, a liquid crystal layer, and at least one image data driving integrated circuit. The transistor substrate has at least one metal trace. The color filter plate is disposed opposite to the transistor substrate and has a common electrode layer. The liquid crystal layer is disposed between the transistor substrate and color filter plate. The image data driving integrated circuit is disposed on the transistor substrate, and includes a digital-to-analog converting circuit. The digital signal is inputted into the digital-to-analog converting circuit through the metal trace. Then, the digital-to-analog converting circuit converts the digital signal to generate a common voltage, which is outputted to the common electrode layer.
Abstract:
An LCD (liquid crystal display) panel is electrically connected to a control circuit board, which at least outputs a common voltage. The LCD panel includes a transistor substrate having at least one metal trace, a color filter plate having a common electrode layer and facing to the transistor substrate, a liquid crystal layer disposed between the transistor substrate and color filter plate, and at least one image data driving integrated circuit. The image data driving integrated circuit is disposed on the transistor substrate, and includes a common voltage buffer circuit. The common voltage passes through the metal trace and is then inputted into the common voltage buffer circuit. After processed by the common voltage buffer circuit, the common voltage is outputted into the common electrode layer.
Abstract:
A backlight module includes at least one light-emitting unit, a power-signal generating circuit board and a control circuit board. The light-emitting unit at least has an electrode pin. The power-signal generating circuit board at least generates a power signal for driving the light-emitting unit. The electrode pin of the light-emitting unit directly connects to the power-signal generating circuit board. The control circuit board electrically connects to the power-signal generating circuit board and at least generates a switching signal. The power-signal generating circuit board generates the power signal according to the switching signal.