Au Optronics Corporation

Shen-Hong Chou

Chih-Kuang Chen

Chung Peng

Shin-Chin Tseng

Ci-Guang Peng

Hsin-Wu Lin

Hui-Kai Chou

Meng-Jia Hsiao

Horng-Bin Hsu

Yi-Chun Lin

Yu-Kai Lin

Pang-Hsuan Liu

Te-Mei Wang

Fu-Cheng Wei

Shu-Hsien Li

Shien-Chih Ho

Yu Kai Lin

A display includes a panel and a backlight module. The backlight module includes a reflective board, a shell, at least two lenses and a light source. The lenses are installed on the reflective board. The reflective board is installed on the shell. The light source is installed in the shell and the light from the light source passes through the lenses. Each lens includes a bottom portion on the reflective board and an extending portion protruding slantwise from the bottom portion. The extending portion includes a reflective surface opposite to the reflective board approximately. A light from the light source is reflected onto the reflective board via the reflective surface, and then reflected onto the panel via the reflective board.

Lens and backlight module of display utilizing the same

A backlight unit usable in a liquid crystal display. In one embodiment, the backlight unit includes a substrate having an edge zone and a central zone surrounded by the edge zone, a first plurality of light emitting elements positioned in the central zone of the substrate, a second plurality of light emitting elements positioned in the edge zone of the substrate, and an electronic controlling means for controlling the light emitted from the first plurality of light emitting elements and the second plurality of light emitting elements such that in operation, the output power per unit area by the second plurality of light emitting elements in the edge zone is less than that by the first plurality of light emitting elements in the central zone.

Backlight device with zone control

A backlight unit usable in an LCD for dynamically expanding color gamut of the LCD. In one embodiment, the backlight unit has a plurality of light emitting elements, and a control unit electrically coupled with the plurality of light emitting elements for controlling intensity of light emitting from each of the plurality of light emitting elements in response to a frame of image data applied to the plurality of pixels, wherein the control unit is configured such that when the frame of image data applied to the plurality of pixels is in a red color, a green color, or a blue color, the intensity of light from the red color, the green color, or the blue color emitting from each of the plurality of light emitting elements is adjusted to its corresponding maximal value so as to expand the red, the green, or the blue area of the color gamut of the LCD panel accordingly.

Dynamic color gamut of LED backlight

A direct type backlight has a plate and a plurality of light emitting diode (LED) rows. The LED rows are disposed on the plate, and every two adjacent LED rows have a row gap positioned therebetween. The one of these gaps, which is nearest to the center of the direct type backlight, is a minimum gap.

Direct type backlight

A backlight unit usable in a liquid crystal display. In one embodiment, the backlight unit includes a substrate, a first plurality of light emitting elements positioned on the substrate, and a second plurality of light emitting elements positioned on the substrate, where the first plurality of light emitting elements positioned on the substrate are arranged in rows, such that two neighboring rows define a first pitch therebetween and the second plurality of light emitting elements positioned on the substrate are arranged in a row such that the row of the second plurality of light emitting elements is separated from the closest neighboring row of the first plurality of light emitting elements by a second pitch, where the first pitch is less than the second pitch.

LED backlight device with deviated LED pitch

A light-emitting unit includes a bounding frame, a first light-emitting element, a second light-emitting element, and a first reflecting sheet. The first light-emitting element and the second light-emitting element are disposed in the bounding frame, and emit light in different directions. The first reflecting sheet is disposed on the bounding frame, and has a reflecting surface on one side away from the bounding frame.

Light-emitting unit and backlight module

The present application describes a backlight device for providing enhanced peripheral illumination of light modulators in display systems. In one embodiment, a display system includes a light modulator, a light diffusing plate, and a backlight device. The backlight device includes light sources that are distributed over an area that is at least equal to or greater than an image display area of the light modulator. In another embodiment, an edge-lit type backlight device is described. The edge-lit type backlight device includes a light guide plate for directing light towards the light modulator. The edge-lit type backlight device further includes light sources that are distributed along a side edge of the light guide plate. The light sources are distributed along a length that is at least equal to or greater than a corresponding length of an image display area of the light modulator.

Backlight device for display system providing enhanced peripheral illumination

A light emitting diode (LED) package structure. In one embodiment, the LED package structure includes at least three lenses, each lens having a body portion with at least a first surface, a second surface, a third surface and a fourth surface, and at least three LED chips, each LED chip being capable of emitting light in a unique color and having a first conductive lead and a second conductive lead and embedded in the body portion of a corresponding lens such that the first conductive lead and the second conductive lead extend out of the body portion from one of the third surface and the fourth surface of the corresponding lens. The at least three lenses and the at least three LED chips are assembled such that the first surface of a lens is in contact with the second surface of one of the rest of the at least three lenses and the at least three LED chips are positioned substantially proximate to each other.

Package structure for light emitting diode and applications of the same

A light source assembly is provided. The light source assembly comprises a circuit board, a plurality of spot light sources disposed on the circuit board, and a reflector sheet disposed on the circuit board having a plurality of first holes and at least one slit extending from the periphery of each first hole. Each first hole corresponds to one of the plurality of spot light sources.

Light source assembly

A light source for a backlight unit is disclosed. The light source includes a plurality of light emitting diode modules arranged in a manner corresponding to an array, in which each of the light emitting diode modules includes a plurality of light emitting diodes. The array includes a plurality of columns and rows. Preferably, the light emitting diodes of the light emitting diode module of any two adjacent columns are arranged in a different manner, and the light emitting diodes of the light emitting diode module of any two adjacent rows are arranged in a different manner.

Light source

A method for assembling light emitting diode units and a substrate in a light source module and a structure thereof are provided. The light emitting diode unit is made of a light emitting diode and a carrier. Every light emitting diode has a flanged profile in the bottom to form a leaned plane, and a corresponding hole is formed on the substrate. Hence, when the light emitting diodes are pressed on the surface of a radiator by the substrate to make a closer contact, the light emitting diodes will be able to bear the pressure by the flanged design.

Light source module

A backlight module comprises a bezel, an LED circuit board, an LED, and a driving circuit board. The bezel has a hole and the LED circuit board is disposed on the bezel and includes a first surface and a second surface. There is a first connector disposed on the second surface and passing through the hole of the bezel. The LED is welded on the second surface of the LED circuit board, an emitting end of the LED is protruded outside the first surface. The driving circuit board has a second connector, the second connector is connected to the fist connector so as to transmit signals to the LED circuit board.

Backlight module

A plurality of reflecting structures are provided at the corner portions of a backlight module, so that the dark areas occurring at the corner portions or edges of the backlight module are prevented from forming, thereby uniforming the luminance performed by the display.

Direct backlight module

A backlight unit for a liquid crystal display. The backlight unit in a liquid crystal display includes a light source having a plurality of basic cell structures. Each basic cell structure consists of three unique colors of first, second, and third light emitting diodes, arranged in a first equilateral triangle. An LCD utilizing the backlight unit is also disclosed.

Backlight unit and liquid crystal display utilizing the same

An LED module includes a housing, a support member disposed in the housing and having a lower portion supporting a reflective plate thereabove, and a cone-shaped protrusive portion projecting upwardly from the lower portion to support a diffusing plate thereabove so as to prevent the occurrence of downward bending of the middle portions of the reflective and diffusing plates due to their weights.

Growing community of inventors

Kaohsiung, Taiwan

Shen-Hong Chou