Chunghwa, Taiwan
Chunghwa, Taiwan

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Patent
Chunghwa Picture Tubes LTD. | Date: 2015-11-12

A display panel including a substrate, a first and second driving chips, a circuit board and multiple second signal traces are provided. The first and second driving chips are disposed in a non-display region and located adjacent to each other. The first driving chip has multiple first pins disposed on a first short side and a first long side of the first driving chip. The second driving chip has multiple second pins disposed on a second short side and a second long side of the second driving chip. In the non-display region, a width of the circuit board is smaller than a total width of the first driving chip, the second driving chip and a distance between the first driving chip and the second driving chip, and the circuit board has a plurality of first signal traces. The display panel of the invention decreases an amount of required circuit boards.


A method for fabricating liquid crystal display panels. The method includes forming at least one adhesive structure on a first substrate, to partition the first substrate into at least one dummy region and panel group regions, in which the dummy region is located between the two adjacent panel group regions; pouring liquid crystal into the dummy region and the panel group regions; and conjugating a second substrate at a side of the first substrate disposed with the adhesive structure, to seal spaces of the dummy region and the panel group regions between the first substrate and the second substrate, in which the liquid crystal can fill up the spaces of the panel group regions and at least a part of the spaces of the dummy region being sealed between the first substrate and the second substrate.


Patent
Chunghwa Picture Tubes LTD. | Date: 2015-10-01

A transparent display apparatus is provided. The transparent display apparatus includes a transparent display unit and a controller. The transparent display unit displays an image frame according to a display data signal and a transparency control signal. The controller receives the display data signal and the transparency control signal, determines a first gradation and a second gradation according to the display data signal and the transparency control signal respectively, and controls the transparent display unit to display the image frame according to the first and second gradations. The first and second gradations are respectively within an interval between two of three display states including a transparent state, a black state and a white state, such that a first and second display states determined based on the first and second gradations may cover all the display effects of the transparent state, the black state and the white state.


Patent
Chunghwa Picture Tubes Ltd. | Date: 2015-11-03

An augmented reality interaction method includes: capturing an identification tag; capturing a depth information corresponding to the identification tag; generating a virtual object according to the identification tag; generating an augmented reality image; and displaying the augmented reality image; wherein, the augmented reality image comprises the virtual object, and when a processor detects that a tactile feedback device touches the virtual object in the augmented reality image according to the depth information, the processor transmits a control signal to the tactile feedback device for controlling the tactile feedback device, and the tactile feedback device provides a hand tactile effect.


Patent
Chunghwa Picture Tubes LTD. | Date: 2015-10-21

An image enhancement method and an image processing apparatus thereof are provided. The image enhancement method is adapted to the image processing apparatus and includes the following steps. An input image is obtained, wherein the input image has a plurality of intensity components. The input image is corrected according to a gamma curve. The sharpness of the corrected input image is enhanced based on an edge detection operator and a weight value. An output image suitable for a display panel is obtained based on the enhanced input image


Patent
Chunghwa Picture Tubes Ltd. and Tatung University | Date: 2016-06-01

An optical film includes a first substrate and a second substrate. A plurality of first particles are doped and dispersed in the first substrate, and a plurality of second particles are doped and dispersed in the second substrate. The first substrate has a top surface and a bottom surface, wherein the top surface is a flat surface and the bottom surface is a rough surface. The second substrate is attached to the bottom surface of the first substrate and the second substrate has flat surfaces.


Patent
Chunghwa Picture Tubes LTD. | Date: 2016-01-29

A transflective LCD panel includes a pixel array substrate, an opposite substrate, and a liquid crystal layer disposed between the pixel array substrate and the opposite substrate. The pixel array substrate includes a first substrate, pixel units, and reflective layers. Each pixel unit has a transmissive region and a reflective region, and the reflective layers are disposed in the reflective region. The opposite substrate is disposed above the pixel array substrate and includes a second substrate, a color filter layer, and light scattering layers. A thickness of the color filter layer is greater than a thickness of each light scattering layer. A first bottom surface of the color filter layer is aligned to a second bottom surface of each light scattering layer. The light scattering layers correspond to the reflective layers.


Patent
Chunghwa Picture Tubes Ltd. | Date: 2016-01-13

A method for manufacturing a thin-film transistor (TFT) is provided, including the following steps. A gate is formed on a substrate. A gate insulating layer is formed on the gate. A patterned semiconductor layer is formed on the gate insulating layer. A source is formed on the patterned semiconductor layer. The peripheral portion of the source is oxidized to form an oxide layer, wherein the oxide layer covers the source and a portion of the patterned semiconductor layer. A protective layer and hydrogen ions are formed, wherein the protective layer covers the oxide layer and the patterned semiconductor layer. The patterned semiconductor layer not covered by the oxide layer is doped with the hydrogen ions to form a drain. A TFT is also provided.


Patent
Chunghwa Picture Tubes LTD. | Date: 2016-03-18

A transparent display apparatus including a backlight module, a display panel, and a switching panel is provided. The backlight module includes a light source and a light guide plate (LGP). The display panel is located on a light emitting surface of the LGP. The switching panel and the backlight module are located at the same side of the display panel. The switching panel includes a first substrate, a second substrate opposite to the first substrate, a polymer-dispersed liquid crystal layer located between the first substrate and the second substrate, a first electrode layer located between the first substrate and the polymer-dispersed liquid crystal layer, and a second electrode layer located between the polymer-dispersed liquid crystal layer and the second substrate. The first electrode layer is divided into first electrode patterns that are separated from and electrically independent from one another. Another transparent display apparatus is also provided.


Patent
Chunghwa Picture Tubes LTD. | Date: 2016-01-07

A thin film transistor disposed on a substrate, includes a gate, a gate insulation layer, a first source/drain, a semiconductor layer and a second source/drain. The gate is disposed on the substrate. The gate insulation layer covers the gate and the substrate. The first source/drain is disposed on the gate insulation layer. The semiconductor layer is disposed above the gate, extends from the gate insulation layer to the first source/drain, and includes a first portion disposed on the first source/drain and a second portion connected to the first portion. An electrical conductivity of the first portion is higher than that of the second portion. The second source/drain covers and is in contact with the second portion. A manufacturing method of thin film transistor is further provided.

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