Provided is a light emitting diode (LED) manufactured by using a wafer bonding method and a method of manufacturing a LED by using a wafer bonding method. The wafer bonding method may include interposing a stress relaxation layer (33) formed of a metal between a semiconductor layer (20) and a bonding substrate (31). When the stress relaxation layer is used, stress between the bonding substrate and a growth substrate may be offset due to the flexibility of metal, and accordingly, bending or warpage of the bonding substrate may be reduced or prevented.

Light-emitting device and method of manufacturing the same

An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a stretchable substrate, a thin film transistor (TFT) formed over the stretchable substrate and including a plurality of electrodes, an OLED electrically connected to the TFT and including a plurality of electrodes, and a plurality of interconnection lines connected to the electrodes of the OLED and the TFT. At least one of the interconnection lines is configured to move in a stretching direction and rotate an electrode selected from the electrodes of the OLED and the TFT connected to the at least one interconnection line.

Organic light-emitting diode display

A method of manufacturing a thin film transistor array panel is provided, the method includes: forming a gate line on an insulating substrate; forming a gate insulating layer; forming a semiconductor layer; forming a data conductive layer including a data line and a drain electrode; depositing a passivation layer; forming a photoresist including a first portion located on an end portion of the gate line, a second portion thicker than the first portion and located on the drain electrode, and a third portion thicker than the second portion; exposing a portion of the passivation layer under the second portion of the photoresist and a portion of the gate insulating layer under the first portion of the photoresist by etching using the photoresist as an etch mask; forming first and second contact holes exposing the drain electrode and the end portions of the gate line, respectively; and forming a pixel electrode connected to the drain electrode through the first contact hole.

Thin film transistor array panel and manufacturing method thereof

A tablet device with a flexible cover is disclosed. Thin flexible display technology can be integrated into the flexible cover without affecting the overall form factor of the cover or tablet device. Adding the integrated display to the flexible cover greatly enhances the overall functionality of the tablet device.

Cover attachment with flexible display

A light emitting diode (LED) package includes a substrate, a first electrode and a second electrode embedded in the substrate and spaced from each other, an LED die mounted on a top surface of the substrate and electrically connected to the first and the second electrodes. Both the first and the second electrodes include a top face and a bottom face, with the top face and the bottom face of each of the first and the second electrodes being exposed at the top surface and a bottom surface of the substrate, respectively. The top face of the first electrode defines a first groove corresponding to a positive bonding pad (p-pad) of the LED die. The p-pad is partially inserted into the first groove. An oxidation-resistant metal coating layer is filled between an insertion portion of the p-pad and an inner surface of the first groove.

Light emitting diode package

An active matrix type liquid crystal display device driving method for switching a partial display mode and a normal display mode. The respective data lines of the partial display area are scanned in a certain period defined as a frame period, “k” pieces (symbol “k” is integer larger than, or equal to 1) of the partial display areas are present within 1 screen, a common electrode potential is varied 2 k times within 1 frame period; a common electrode potential in a partially scanning period for scanning the partial display area is made as a constant potential against a reference of a driving circuit for driving the data lines; and within at least two continued frames, a common electrode potential of a blank period other than the partially scanning period is made as a constant potential which is different from the constant potential in the partially scanning period.

Liquid-crystal display device and method of driving liquid-crystal display device

In a color display device, when using white (W) sub-pixels in addition to subpixels of red (R) and green (G) plus blue (B) without increasing a wiring line number, the per-color pixel number in a unit area decreases so that the image resolution is deteriorated. The area and number of subpixels are adjusted in accordance with the visual sensitivity or luminosity required. Practically, the area of red (R) and blue (B) subpixels which are relatively low in luminosity is set to be about two times greater than the area of green (G) and white (W) subpixels that are relatively high in luminosity while letting the number of green (G) and white (W) subpixels be twice the number of red (R) and blue (B) subpixels. A larger subpixel is configured from a plurality of unit subpixels. A smaller subpixel is formed of a one unit subpixel.

Color display, liquid crystal display, and translucent liquid crystal display

A full-color twisted-nematic type liquid crystal display (TN-LCD) of 1.4-in diagonal size driven by organic thin-film transistors (TFTs) has been fabricated. This TN-LCD has 80/spl times/80/spl times/3 (RGB) pixel arrays addressed by pentacene TFTs with a channel width of 50 /spl mu/m. The contact resistance between the pentacene film and the source/drain electrodes has been reduced by selecting the exposure condition of the photoresist in patterning the electrodes. In addition, a solution-processed passivation film with a novel structure, consisting of photosensitive polyvinylalcohol and organosiloxane glass resin, has been developed to protect the TFTs against degradation induced by integration with TN-LCD devices. Consequently, it has been confirmed that the organic-TFT-driven TN-LCD fabricated in this paper is capable of displaying full-color moving images at a resolution of 80 pixels per inch.

High-resolution full-color LCD driven by OTFTs using novel passivation film

PROBLEM TO BE SOLVED: To provide a lighting system capable of improving light extraction efficiency of a light source module using a light emitting diode as a light source, capable of improving coupling efficiency to a light guide plate as a sidelight light source, capable of having highly uniform luminance distribution, and also capable of line control with a small number of light emitting diodes, and a liquid crystal display device using the lighting system. SOLUTION: In this lighting system KI, a plurality of the light emitting diodes 124r, 124b, 124g mounted on a circuit board 123 and connected to a wiring pattern formed in the circuit board 123 are sealed by a divided or separated lens body 19, and as to the radiation angle distribution of light emitted from the lens body 19 of a plurality of the light emitting diodes 124r, 124b, 124g, light is guided to desired directions depending on the shape of the divided or separated lens body 19. COPYRIGHT: (C)2009,JPO&INPIT

Lighting system and liquid crystal display device using it

In a portable information processing apparatus, frames 5 and 6 on which display devices are mounted are pivotally supported in a coupling portion 3 constituted by a hinge mechanism in an openable/closable manner, while the display devices have main displays 1 and 2 , which perform printing with high-resolution quality. While the coupling portion 3 is set to a fulcrum, the main displays 1 and 2 are brought into such a two-page spreading condition for the use, and are overlapped with each other, and are folded into two displays for closure, so that the portable information processing apparatus can be carried. Since a rotation portion 4 is rotated, an image which is displayed on the main displays 1 and 2 can be changed. Both a power switch 7 and a function switch 8 , which are necessary switches and the like, are mounted on an edge portion of the frame 6.

Yoshifumi Sekiguchi

Papers

Liquid-crystal display device and method of driving liquid-crystal display device

Color display, liquid crystal display, and translucent liquid crystal display

High-resolution full-color LCD driven by OTFTs using novel passivation film

Lighting system and liquid crystal display device using it

Portable information processing apparatus and method for displaying image