Coretronic Corporation

Wintek Corporation

Wintek China Technology Ltd

Ping-Yeng Chen

Wen-Chun Wang

Chong-Yang Fang

Kuo-Jui Huang

Yang-Ching Lin

Jen-Wei Yu

Kuo-Chang Su

Zhi-Ting Ye

Yu-Chen Liu

Chung-Yang Fang

Yu-Ching Lee

Chih-Jen Tsang

Chih-Kuang Yang

Yu-Fan Chen

Yi-Chun Wu

Chun-Chi Chi

Chien-Hui Lee

Han-Yuan Liu

Hsiung-Chun Hsu

Chien-Chung Lee

Chung-Hui Hu

Tzung-Fu Lai

Ya-Ling Hsu

Zi-Chi Ye

Yu-Chen Ting

Yi-Hsun Lee

Pei-Yin Chang

A backlight module including a light guide plate, a light source, an optical film, a diffusion sheet, a first prism sheet and a second prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface connected to each other. The light source is disposed on a side of the light incident surface. The optical film is overlapped with the light emitting surface and has a plurality of optical microstructures facing the light emitting surface. The diffusion sheet is disposed between the light guide plate and the optical film. The first prism sheet and the second prism sheet are overlapped with the optical film and are positioned on a side of the optical film being far away from the light guide plate. A display apparatus adopting the backlight module is also provided.

Backlight module having an optical film and display apparatus having the same

A liquid crystal light-adjusting film includes a polymer material substrate and a plurality of elliptical crystal cells. The polymer material substrate has a light incident surface and a light exiting surface opposite to each other. A direction from the light incident surface to the light exiting surface is a thickness direction of the polymer material substrate. The elliptical crystal cells are disposed in the polymer material substrate. A long axis direction of each of the elliptical crystal cells is arranged along a first direction perpendicular to the thickness direction, and each of the elliptical crystal cells comprises a plurality of liquid crystal molecules. A manufacturing method of the liquid crystal light-adjusting film and a backlight module using the liquid crystal light-adjusting film are also provided.

Liquid crystal light-adjusting film, backlight module and manufacturing method of liquid crystal light-adjusting film

A viewing angle switchable device including an absorptive polarizer, a reflective polarizer and an electrically controlled viewing angle switching element is provided. A transmission axis of the reflective polarizer is parallel to a transmission axis of the absorptive polarizer. The electrically controlled viewing angle switching element is disposed between the absorptive polarizer and the reflective polarizer and includes two transparent substrates, two transparent conductive layers and a liquid crystal layer including a plurality of liquid crystal molecules. When there is a potential difference between the two transparent conductive layers, an orthogonal projection of an optical axis of each of the plurality of liquid crystal molecules on the absorptive polarizer is parallel to or perpendicular to the transmission axis of the absorptive polarizer and the transmission axis of the reflective polarizer. A viewing angle switchable display module including the viewing angle switchable device is also provided.

Viewing angle switchable device and viewing angle switchable display module

A light source module includes a substrate, a reflective assembly and a plurality of point light sources. The reflective assembly is disposed above the substrate and has a plurality of first partition plates disposed along a first direction, a plurality of second partition plates disposed along a second direction and a plurality of reflective structures. The first and second partition plates cross with each other to form a plurality of reflective holes. An upper surface of the substrate is partially exposed to the reflective holes. The reflective structures are disposed in the reflective holes respectively. The first partition plates, the second partition plates and the reflective structures are integrally formed. The point light sources are disposed above the substrate, located in the reflective holes respectively, and located below the reflective structures respectively. Thus, the light source module can significantly reduce the light mixing distance.

Array of point light sources contained within segmented reflective partitions

An illumination apparatus including a lamp housing, a light source and a glare restraining unit is provided. The lamp housing has a light exit opening. The light source is disposed according to the light exit opening. The glare restraining unit includes a substrate and a plurality of cone microstructures disposed on the substrate. After passing the glare restraining unit, the light converges.

Illumination apparatus

The present invention describes a lighting device. The lighting device includes a first light guiding pillar, at least one first point-form light source, a second light guiding pillar and at least one second point-form light source. The first point-form light source is disposed near at least one end of the first light guiding pillar. The first and the second light guiding pillars are parallel with each other and integrally formed in one piece. The second point-form light source is disposed near at least one end of the second light guiding pillar. The first and the second light guiding pillars are integrated into a connection body having two opposite surfaces respectively forming two straight grooves on an intersection of the first and the second light guiding pillars, wherein two bottoms of the straight grooves are spaced by a predetermined distance.

Lighting device

A liquid crystal display (LCD) including an LCD panel and a back light module is provided. The back light module is disposed below the LCD panel. The back light module includes a planar light source, a reflective polarized light enhancement film, a first prism film and a &#x3bb;/4 phase retardation film. The planar light source is disposed below the LCD panel, while the reflective polarized light enhancement film is disposed between the LCD panel and the planar light source. The first prism film is disposed between the reflective polarized light enhancement film and the planar light source. Besides, the &#x3bb;/4 phase retardation film is disposed between the reflective polarized light enhancement film and the first prism film. The back light module has a relatively high light utilization rate, and the LCD has favorable display luminance.

Back light module and liquid crystal display

A backlight module includes a light source and a light guide plate. The light guide plate includes a light-receiving surface next to a light source, a light-emitting surface, and a light-reflecting surface oppose to the light-emitting surface. A plurality of notches are formed on the light-reflecting surface, and each notch has a first inner surface facing the light source and a second inner surface back to the light source and opposite to the first inner surface. The inclination angle of the first inner surface with respect to the light-reflecting surface is no more than 35 degrees.

Backlight module and light guide plate thereof

Growing community of inventors

Hsin-Chu, Taiwan

Ping-Yeng Chen