A.u. Vista Inc.

Au Optronics Corporation

Industrial Technology Research Institute

Chunghwa Picture Tubes, Ltd.

Hannstar Display Corporation

Chi Mei Optoelectronics Corporation

Taiwan Tft Lcd Association

Unipac Optoelectronics Corporation

Unipac Optoelecyronics Corp.

Fang-Chen Luo

Seok-Lyul Lee

Willem Den Boer

Adiel Abileah

Tai Kang Wu

Ching-Huan Lin

Norio Sugiura

Wei-Chih Chang

Chien-Sheng Yang

Shih-Hsing Hung

Wan-Yi Liu

Chia-Ting Hsieh

Chang-Cheng Lo

Chieh-Chou Hsu

Yung-Chih Chen

Hsiang-Lin Lin

Jenn-Jia Su

Ming-Hsien Lee

Wen-Hsien Tseng

Chih-Kang Wu

Chun-Cheng Cheng

Chan-Jui Liu

Shuo-Wei Liang

Shin-Chuan Chiang

Yi-Wen Lin

Chin-Chih Yu

Chao-Nan Chen

Wei-Chih Hsu

Chia-Wei Hao

Shu-Han Wang

Kuen-Wen Hu

A light emitting diode (LED) display panel is provided. The LED display panel includes a printed circuit board (PCB), a flexible substrate disposed on the PCB, and a pixel array. The flexible substrate has a plurality of holes. The pixel array is formed by a first matrix circuit disposed on the flexible substrate, a second matrix circuit disposed on the PCB, and a plurality of LEDs disposed on the PCB, collectively defining a plurality of pixels. Each of the pixels comprises a corresponding one of the LEDs and pixel circuits formed by the first matrix circuit and the second matrix circuit. A projection of each of the LEDs correspondingly overlaps with a projection of one of the holes on the flexible substrate along an extending direction of the holes. A mosaic LED display panel may be formed by multiple LED display panel butted or tiled together.

Mosaic active matrix driven light emitting diode (LED) display panel

A tiled light emitting diode (LED) display panel includes multiple flexible back plates arranged in tiles. Each flexible back plate has multiple through holes formed thereon. A pixel array is formed by multiple LEDs on the flexible back plates and collectively defines multiple pixels. Each pixel includes one LED and thin-film transistor (TFT) circuits disposed on a first side of a corresponding flexible back plate. A printed circuit board (PCB) is disposed at a second side of the flexible back plates. A third side of the PCB faces the second side of the flexible back plates and has multiple signal lines formed thereon. The LEDs and the TFT circuits of the pixels are electrically connected to the corresponding signal lines via multiple conductive structures formed in the through holes. A resistance per unit length of each flexible back plates is greater than a resistance per unit length of the PCB.

Tiled light emitting diode display panel having different resistance per unit length signal lines

An artificial window is provided. The artificial window includes a window having a frame, and a display device disposed at a back side of the window. The display device is used to display images. An image capturing device may be disposed on the window to obtain a viewer image of a viewer. Thus, a viewing direction of the viewer may be determined based on the viewer image, and the images being displayed on the display device may be changed based on the location of the viewer. The display device may be a curved display device, which is wider than the frame. Alternatively, the display device may be a flat display device, and a lenticular array formed by lenticular lenses is disposed between the window and the flat display device. Each of the lenticular lenses is focused on or close to a display surface of the flat display device.

Artificial window with parallax effect

A polarizer component has an optical film to receive excitation light, a light re-emitting layer and a polarizing layer. The light re-emitting layer has quantum dots that re-emit red light and quantum dots that re-emit green light in response to the excitation light. The re-emitted red light is provided to a red sub-pixel to be filtered by a red color filter, and the re-emitting green light is provided to a green sub-pixel to be filtered by a green color filter. The excitation light can be blue or ultra violet and part of the excitation light is provided to a blue sub-pixel. The polarizing layer can be a reflective polarizing layer and the optical film can be a wavelength selecting layer. The light re-emitting layer may contain scattering particles to diffuse the excitation light provided to a blue sub-pixel.

Quantum-dot embedded polarizer component and display device using same

A display cell structure includes a first substrate and a second substrate spaced apart from each other, and a polarizer layer disposed between the two substrates, forming a first cell gaps between the first substrate and the polarizer layer, and a second cell gap between the second substrate and the polarizer layer. A first display structure is disposed in the first cell gap, and a second display structure is disposed in the second cell gap. The first display structure includes a plurality of first signal lines, forming a first signal line pattern. The second display structure includes a plurality of second signal lines, forming a second signal line pattern. The second signal line is different from the first signal line pattern. The polarizer layer may be a wire grid polarizer layer.

Dual cell display with Moir&#xe9; improvement

A display cell structure includes a first liquid crystal display (LCD) panel and a second LCD panel. The first LCD panel includes a first polarizer layer, a second polarizer layer and a first liquid crystal layer, and liquid crystal molecules in the first liquid crystal layer have a first liquid crystal retardation. The second LCD panel includes a third polarizer layer, a fourth polarizer layer and a second liquid crystal layer, and liquid crystal molecules in the second liquid crystal layer have a second liquid crystal retardation. In some cases, the second liquid crystal retardation is different from the first liquid crystal retardation. In some cases, the third polarizer layer is a carbon nano-tube polarizer layer.

Liquid crystal display device comprising first and second liquid crystal display panels respectively having first and second liquid crystal retardations and a color conversion layer

A display module includes a flexible and bendable display panel defining a display area and a peripheral area thereon, and a driving module disposed in the peripheral area. The driving module includes a first micro-chip, multiple second micro-chips, a transistor-based shift register circuit and a transistor-based demultiplexer (de-MUX) circuit. The first micro-chip provides the functions of image receiver, level shift and gamma buffer. Each of the second micro-chips provides the functions of latch, digital to analog converter and output buffer. The transistor-based shift register circuit generates shift register output signals for the second micro-chips. The transistor-based de-MUX receives the analog data signals from the second micro-chips and send the analog data signals to a plurality of data lines.

Bendable flexible active matrix display panel

A representative display system includes: a pixel array having a plurality of pixels, gate lines, and data lines; a first of the pixels having a first TFT, a second TFT, a storage capacitor, and an LED; the first TFT having a first gate electrode, a first source electrode, and a first drain electrode, the first gate electrode coupled to a first of the gate lines, the first source electrode and the first drain electrode coupled between a first of the data lines and a first terminal of the storage capacitor; the second TFT having a second gate electrode, a second source electrode, and a second drain electrode, the second gate electrode coupled between the first TFT and the storage capacitor; the LED coupled to the second TFT; wherein the storage capacitor is configured to store a data voltage corresponding to a data signal, coupled to the first terminal, from the first of the data lines during an on-time of the first TFT; and wherein the LED is controllable to emit light at a brightness corresponding to duration of a driving current flowing through the LED, the driving current being provided to the LED in response to the data voltage from the storage capacitor and a PWM signal, coupled to a second terminal of the storage capacitor terminal and configured as a sawtooth waveform, being provided to the second gate electrode.

Display systems and methods involving time-modulated current control

A display cell structure is provided. A first substrate and a second substrate are spaced apart from each other, and a wire grid polarizer layer is disposed therebetween, forming a first cell gap between the first substrate and the wire grid polarizer layer and a second cell gap between the second substrate and the wire grid polarizer layer. A first display structure is disposed in the first cell gap, and includes multiple first pixel electrodes and a polymer liquid crystal layer. A polarizer layer is disposed on the second substrate and facing an opposite side to the wire grid polarizer layer. A second display structure is disposed in the second cell gap, and includes multiple second pixel electrodes and a liquid crystal layer.

Liquid crystal display device having wire grid polarizer and #two display structures and method of forming the same

A representative device includes: first and second substrates spaced to define a gap; a liquid crystal layer, positioned in the gap, having a plurality of display pixels configured to be switchable between an on state and an off state; a quantum dot layer positioned between the liquid crystal layer and the second substrate; a first shielding layer positioned between the first substrate and the liquid crystal layer, the first shielding layer having a plurality of first shield portions configured to prevent propagation of blue light therethrough; and a second shielding layer positioned between the liquid crystal layer and the second substrate, the second shielding layer defining a plurality of openings configured to permit propagation of the blue light therethrough; wherein each of the display pixels of the liquid crystal layer corresponds to at least one of the openings, and each of the openings corresponds to one of the first shield portions.

Liquid crystal display devices and methods for manufacturing such devices

A liquid crystal display device is formed from a first display panel and a second display panel in a stack configuration. Each of the first display panel and the second display panel has a TFT substrate. A signal circuit is disposed on the TFT substrate of the first display panel to provide data signals and timing signals. A signal connector is used to covey the data signals and timing signals from the first display panel to the second display panel. Each of the first display panel and the second display panel has a plurality of gate lines, including a first gate line and a last gate line. In the stacked configuration, the last gate line of the first display panel and last gate line of the second display panel are adjacent to the signal connector.

LCD display device

A liquid crystal display (LCD) system comprising: an LCD panel having a plurality of pixels arranged in an array having a plurality of columns and a plurality of rows; a sensor configured to detect a position of an observer in relation to the LCD panel; pixel control circuitry configured supply electrical signals to drive the plurality of pixels; and gamma correction circuitry associated with the pixel control circuitry, the gamma correction circuitry configured to implement gamma correction upon the electrical signals that drive the plurality of pixels that is based on a detected position of the observer with relation to the LCD panel. Associated methods are also described.

Multi-mode multi-domain vertical alignment liquid crystal display and method thereof

A display cell structure and a display device using quantum dot structures are provided. The display cell structure includes a first polarizer and a second polarizer spaced apart from each other, and a liquid crystal layer disposed therebetween, defining red (R), green (G) and blue (B) subpixels. A color plate structure is disposed on the second polarizer, and multiple cavities or indents are formed on the color plate structure, including first cavities or indents aligned to the red (R) subpixels and second cavities or indents aligned to the green (G) subpixels. The first cavities or indents are filled with a red quantum dot or quantum rod material, and the second cavities or indents are filled with a green quantum dot or quantum rod material. A filter layer is partially disposed to be located adjacent to the first cavities or indents and the second cavities or indents.

Display cell structure and display device using quantum dot

A pixel structure in a pixel for used in a display panel has a plurality of grooves made on a substrate and a plurality of conducting lines formed in the grooves. The conducting line can be made from a silver or copper conductive ink to provide a low-resistance line served as a gate line, common line or source line. In a pixel having a storage capacitor and a TFT with a gate electrode, a source electrode and a drain electrode, the gate electrode is connected to a gate line and a source electrode and one of the capacitor electrodes in the storage capacitor is connected to a common line. At least part of one or more of the gate electrode and the source electrode is disposed on top of and in contact with the surface of one or more conducting lines.

TFT array having conducting lines with low resistance

A display device using low capacitance bus lines having gate lines and data lines on different substrates. The display device includes a first substrate and a second substrate spaced apart from each other, and a liquid crystal layer is disposed in the cell gap between the first substrate and the second substrate. The data lines of the display device are formed on the first substrate, and the gate lines of the display device are formed on the second substrate. The data lines formed on the first substrate and the gate lines formed on the second substrate are spaced apart by a gate insulator layer and the liquid crystal layer, which increases the gap distance between the data lines and the gate lines. Accordingly, a cross capacitance between each of the data lines and each of the gate lines can be reduced.

Growing community of inventors

Milpitas, CA, United States of America

Fang-Chen Luo