Coretronic Corporation

Young Lighting Technology Corporation

Nano Precision Taiwan Limited

Nano Precision Corporation

Ming-Dah Liu

Chao-Hung Weng

Hao-Jan Kuo

Tzeng-Ke Shiau

Wen-Bin Chou

Bor-Jyh Pan

Jui-Nien Jao

Wen-Hsin Lo

Shi-Chi Hou

Min-Yi Hsu

Hung-tse Lin

Shang-Wei Chen

Sze-Ke Wang

Ching-Shiang Li

Han-Wen Tsai

Ching-Hsiang Li

Ming-Feng Kuo

Yu-Chuan Wen

Chien-Hui Lee

Chien-Hsiang Chen

Liang-Kang Chang

Kuan-Wen Liu

Teng-Chao Hou

Ching-Nan Chuang

Min-Chun Chou

Chang-Cheng Liu

Chia-Hung Hsu

Hung-Tse Lin

Wen-Yen Chiu

Der-Woei Hsaio

Chien-Hung Hsu

Wen-Yung Huang

Gin-wen Hsieh

Chin-Ming Lin

Chia-Chuang Hu

Chun-Yu Liao

Huang-Jen Chen

A display device including a display module and an illuminating module is disclosed. The illuminating module is disposed on a display surface of the display module, and includes a light source, a light guide plate, and an optical film. The optical film is disposed between the display module and the light guide plate, and includes a basal layer and a microstructure layer. The microstructure layer is disposed between a surface of the basal layer and the light guide plate, and includes multiple microstructures. Each microstructure includes a first surface and a second surface. A first angle is between the first surface and a datum plane. A second angle is between the second surface and the datum plane. The first angle and the second angle are greater than or equal to 40 degrees and less than or equal to 90 degrees.

Optical film including microstructure layer and display device including the same

An optical film includes a grid layer having a first surface, a second surface, light-shading portions, and light-transmitting portions. The light-shading portions and the light-transmitting portions are located between the first surface and the second surface, and the light-shading portions and the light-transmitting portions are alternately arranged along the first surface. Each light-shading portion has a third surface, a fourth surface, a fifth surface, a sixth surface, and a seventh surface. An angle between the fourth and third surfaces is A1, an angle between the fifth and third surfaces is A2, an angle between the sixth and second surfaces is A3, and an angle between the seventh and second surfaces is A4. Wherein 85°<A1≤90°, 85°<A2≤90°, 0°<A3<85°, 0°<A4<85°, A2≠A4, and A1≠A3. A display device is also provided.

Optical film and display device

A light guide plate has a light-incident surface, a bottom surface, a light-emitting surface, first microstructures and second microstructures. The bottom surface is opposite to the light-emitting surface, the light-incident surface is connected between the bottom surface and the light-emitting surface. The first microstructures protrude from the bottom surface and are arranged at intervals along a direction parallel to the light-incident surface and extend from the light-incident surface in a predetermined direction. The second microstructures are disposed between the first microstructures away from the light-incident surface, and each them includes light-adjusting blocks protruding from the bottom surface and arranged along the predetermined direction. Each first microstructure has a first height, and each light-adjusting block has a second height smaller than the first height. The light guide plate has a reduced horizontal viewing angle and a maintained luminance. A backlight module including the light guide plate is of scratch resistance.

Light guide plate and backlight module

A light turning film includes a light incident surface with first and second pluralities of first optical microstructures and a plurality of second optical microstructures; and a light emitting surface opposite to the light incident surface. The first optical microstructures and the second optical microstructures protrude outward from the light turning film, such that the height of one of the first and second optical structures is equal to or less than two thirds of the height of the other one of the first and second optical structures. The light turning film might be included in a light source module for a display apparatus.

Display apparatus with light source module having light turning film with micro structures with different heights

A backlight module includes a light guide plate having a bottom surface, a light emitting surface, a first light incident surface, and microstructures. Each microstructure recesses into or protrudes from the bottom surface and has a first and a second surfaces. The first and the second surfaces of at least one of the microstructures are located on two sides of a first reference plane parallel to the first light incident surface. A section-line of each first surface on a second reference plane perpendicular to the first light incident surface and perpendicular to the light emitting surface is a straight line. A first angle between each first surface and a third reference plane parallel to the light emitting surface in the light guide plate is between 0 degrees and 20 degrees, and a thickness of each microstructure is between 0 micrometers and 20 micrometers.

Backlight module

A light adjusting sheet includes a base and a first light adjusting structure layer. The base includes a first surface and a second surface opposite to the first surface. The first light adjusting structure layer is disposed on the first surface of the base, and the first light adjusting structure layer includes a plurality of light adjusting structures. Each light adjusting structure includes a major axis, a minor axis and a thickness, wherein the major axis of the light adjusting structure is in parallel with an extending direction. A ratio of a length of the minor axis to a length of the major axis is between 0.093 and 0.6, and the thickness is between 2 &#x3bc;m to 6 &#x3bc;m. A backlight module using the light adjusting sheet can achieve high brightness and large viewing angle.

Light adjusting sheet and backlight module using the same

A back light module includes a light guide plate, at least one first light source, at least one second light source and at least one first reflection element. The light guide plate includes a first light incident surface, a second light incident surface opposite to the first light incident surface, a light emitting surface, and a bottom surface opposite to the light emitting surface. The first light source is disposed beside the first light incident surface and suitable to provide a first non-collimated light beam to the first light incident surface. The second light source is disposed beside the second light incident surface and suitable to provide a first collimated light beam to the second light incident surface. The first reflection element is disposed beside the first light incident surface to reflect the first collimated light beam emitted so as to make the first collimated light beam diverge.

Back light module

A backlight module includes a light guide plate (LGP), a light source, and at least one prism sheet. The LGP includes a light emitting surface, a bottom surface, a light incident surface, and a plurality of first microstructures on the bottom surface. Each of the first microstructure is a recessed structure and includes a first surface and a second surface. An included angle between the first surface and the bottom surface ranges from 15 degrees to 27 degrees. An included angle between the second surface and the bottom surface ranges from 50 degrees to 90 degrees. The light source provides a light beam, and an included angle between a light emitting direction of the light beam emitted from the light emitting surface of the LGP and a normal direction of the light emitting surface is greater than 30 degrees. The prism sheet is disposed above the light emitting surface.

Light guide plate and backlight module using the same

A light guide plate includes a light emitting surface, a bottom surface, a light incident surface and many optical units. Each of the optical units includes a first optical microstructure and a second optical microstructure. The second optical microstructure has a first surface and a second surface. A first cross-sectional line obtained by cutting the first surface along a direction perpendicular to the light incident surface and the light emitting surface is an inclined straight line. A first end of a second cross-sectional line obtained by cutting the second surface along the direction perpendicular to the light incident surface and the light emitting surface and a second end of the second cross-sectional line are connected to form a reference straight line. An acute angle included by the reference straight line and a normal line of the light emitting surface is &#x3b1;. The acute angle &#x3b1; satisfies an equation: 

Light guide plate and backlight module having high light utilization efficiency by reducing light loss

A backlight module includes at least one point light source and a light guide plate. The light guide plate includes a light emitting surface, a bottom surface, a light incident surface, a first side surface, a second side surface, a first microstructure, and a second microstructure. The bottom surface is opposite to the light emitting surface, the light incident surface connects the light emitting surface and the bottom surface, the point light source is disposed adjacent to the light incident surface, and the first microstructure is formed on the light incident surface. The first side surface is opposite to the light incident surface and connects the light emitting surface and the bottom surface, and the second side surface connects the light emitting surface, the bottom surface, the light incident surface, and the first side surface. The second microstructure is formed on the second side surface.

Backlight module and liquid crystal display comprising a light guide plate with first, second, third microstructures, and a plurality of pillars

A light guide plate includes a transparent substrate and a plurality of micro structures. The transparent substrate has a first surface and a second surface opposite the first surface, and the micro structures are disposed at least on the first surface of the transparent substrate and are separate from each other. Each of the micro structures includes a first coating layer and a second coating layer. The first coating layer is formed on the first surface and includes an adhesive material. The second coating layer is formed on at least a part of the first coating layer and includes a light-diffusing material.

A light guide plate and a side-emitting backlight module having the same are disclosed. The light guide plate includes a transparent substrate, a plurality of prisms and a plurality of condensing lenses. The prisms are arranged side by side on one surface of the transparent substrate. The condensing lenses are disposed between two adjacent prisms, and distributed from sparsely to densely along a direction of a crest line of each of the prisms.

Light guide plate and side-emitting backlight module having the same

A spinning-type pattern-fabrication system comprises at least one carry table used to carry objects, an object-fixing device used to fix the objects onto the carry table, and a control system controlling carry table or at least one laser device. The control system controls the laser device to move linearly back and forth to enable the laser device to fabricate patterns on the objects with the laser beam emitted via the laser device.

Spinning-type pattern-fabrication system and a method thereof

A method for manufacturing a mold of a light guide plate is disclosed. The method includes following steps: providing a substrate and forming a plurality of microstructures on the substrate; depositing a first metal layer upon the substrate; spreading a photoresist layer on the first metal layer, exposing the photoresist layer to a photomask, and developing a photoresist pattern; removing a part of the first metal layer without cover of the photoresist pattern so as to form a sink pattern; depositing a second metal layer upon the sink pattern; electroforming a metal plate on the second metal layer; and remaining the metal plate and the second metal layer by separating the metal plate from the photoresist layer, the first metal layer, and the substrate so as to generate the mold of the light guide plate.

Method for manufacturing a mold of a light guide plate

To control chroma and brightness in a backlight module, a plurality of reference values of a plurality of monochromatic light beams are provided, and a brightness reference value is provided for the light formed of the monochromatic light beams. Then, a plurality of first light signals of the monochromatic light beams, and a second light signal of the light formed of the monochromatic light beams are sensed and compared with the reference values and the brightness reference value, respectively. Finally, the monochromatic light beams outputted by the plurality of LEDs is calibrated according to a comparison result of the plurality of first light signals with the plurality of reference values and a comparison result of the second light signal with the brightness reference value.

Growing community of inventors

Hsin-Chu, Taiwan

Ming-Dah Liu