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Chien-Sen Weng

Chien-Sen Weng, Hsinchu TW

Patent application numberDescriptionPublished
20080203395SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor device and a method for manufacturing the same are provided. First, a transparent substrate is provided. Next, a light-shielding layer is formed over the transparent substrate and a first buffer layer is formed to cover the light-shielding layer. A semiconductor layer is formed over the first buffer layer. Then, the light-shielding layer, the first buffer layer and the semiconductor layer are patterned to form a laminate pattern. A channel and a source/drain region at two sides of the channel are formed within the semiconductor layer. Then, a gate insulating layer is formed over the transparent substrate to cover the laminate pattern. A gate electrode is formed on the gate insulating layer above the channel.08-28-2008
20090289920OPTICAL REFLECTED TOUCH PANEL AND PIXELS AND SYSTEM THEREOF - An optical reflective touch panel and pixels and a system thereof are provided. Each pixel of the optical reflective touch panel includes a display circuit and a sensing circuit. The display circuit controls the display of the pixel. The sensing circuit is coupled to the display circuit for sensing a sensitization state of the pixel during a turned-on period and a turned-off period of a backlight module and outputting a digital signal to notify an optical reflective touch panel system that whether the pixel is touched or not.11-26-2009
20110045622FABRICATING METHOD OF LIGHT EMITTING DIODE CHIP - In a fabricating method of an LED, a first-type doped semiconductor material layer, a light emitting material layer, and a second-type doped semiconductor material layer are sequentially formed on a substrate. The first-type and second-type doped semiconductor material layers and the light emitting material layer are patterned to form a first-type doped semiconductor layer, an active layer, and a second-type doped semiconductor layer. The active layer is disposed on a portion of the first-type doped semiconductor layer. The second-type doped semiconductor layer is disposed on the active layer and has a first top surface. A wall structure is formed on the first-type doped semiconductor layer that is not covered by the active layer, and the wall structure surrounds the active layer and has a second top surface higher than the first top surface of the second-type doped semiconductor layer. Electrodes are formed on the first-type and second-type doped semiconductor layers.02-24-2011
20110159612Method for Fabricating LED Chip Comprising Reduced Mask Count and Lift-Off Processing - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.06-30-2011
20110159613Method for Fabricating LED Chip Comprising Reduced Mask Count and Lift-Off Processing - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.06-30-2011
20110159614Method for Fabricating LED Chip Comprising Reduced Mask Count and Lift-Off Processing - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.06-30-2011
20110159623Method for Fabricating LED Chip Comprising Reduced Mask Count and Lift-Off Processing - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.06-30-2011
20110165705Method for Fabricating LED Chip Comprising Reduced Mask Count and Lift-Off Processing - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.07-07-2011
20110165706Method for Fabricating LED Chip Comprising Reduced Mask Count and Lift-Off Processing - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.07-07-2011

Patent applications by Chien-Sen Weng, Hsinchu TW

Chien-Sen Weng, Hsin-Chu TW

Patent application numberDescriptionPublished
20080284341PHOTO DETECTOR AND METHOD FOR FORMING THEREOF - A photo detector is disclosed. The photo detector has a substrate, a semiconductor layer disposed on the substrate, an insulating layer covered on the semiconductor layer, an interlayer dielectric layer covered on the insulating layer, and two electrodes formed on a portion of the interlayer dielectric layer. The semiconductor layer has a first doping region, a second doping region, and an intrinsic region located between the first doping region and the second doping region. The interlayer dielectric layer has at least three holes to expose a portion of the insulating layer, a portion of the first doping region, and the second doping region. The electrodes are connected to the first doping region and the second doping region through two of the holes.11-20-2008
20080316416LIQUID CRYSTAL DISPLAY AND METHOD FOR MAKING THE SAME - An LCD device has an LCD panel having a peripheral region, a heating layer disposed on the LCD panel, and two first flexible printed circuits (FPCs) electrically connected to the heating layer, and adapted to transmit voltage to the heating layer so that the heating layer can generate heat. At least one of the FPCs has a wide portion and a narrow portion being fixed in the peripheral region of the LCD panel and being connected to the heating layer.12-25-2008
20090050906Photo Detector and a Display Panel having the Same - A photo detector has a sensing TFT (thin film transistor) and a photodiode. The sensing TFT has a gate and a base. The photodiode has an intrinsic semiconductor region electrically connected to the gate and the base of the sensing TFT. The sensing TFT and the photodiode both have a structure comprising low temperature poly-silicon. A display panel contains the photo detector is also disclosed.02-26-2009
20090101915PHOTO SENSOR AND FABRICATION METHOD THEREOF - A photo sensor includes a patterned shielding conductive layer disposed on a transparent substrate, and a buffer dielectric layer, a patterned semiconductor layer, and a dielectric layer disposed on the patterned shielding layer in order. The patterned semiconductor layer includes an intrinsic region, a first doped region, and a second doped region, wherein the first and second doped regions are positioned at two sides of the intrinsic region separately. A patterned transparent conductive layer is disposed on the dielectric layer and covers the boundary of the intrinsic region and the first doped region and the boundary of the intrinsic region and the second doped region. The patterned transparent conductive layer is electrically connected to the patterned shielding conductive layer.04-23-2009
20090302330PHOTO DETECTOR AND METHOD FOR FORMING THEREOF - A photo detector is disclosed. The photo detector has a substrate, a semiconductor layer disposed on the substrate, an insulating layer covered on the semiconductor layer, an interlayer dielectric layer covered on the insulating layer, and two electrodes formed on a portion of the interlayer dielectric layer. The semiconductor layer has a first doping region, a second doping region, and an intrinsic region located between the first doping region and the second doping region. The interlayer dielectric layer has at least three holes to expose a portion of the insulating layer, a portion of the first doping region, and the second doping region. The electrodes are connected to the first doping region and the second doping region through two of the holes.12-10-2009
20100182559LIQUID CRYSTAL DISPLAY HAVING HEATING LAYER AND METHOD OF MAKING THE SAME - An LCD includes a first substrate, a heating layer formed on the first substrate, an insulating layer having a first opening formed on the heating layer, at least one switching device, two contact pads formed on the insulating layer, and respectively electrically connected to the scan line and the data line, a capacitor, a bridge electrode formed in the first opening, a passivation layer covering the switching device and the capacitor, a pixel electrode formed on the passivation layer and electrically connected to the drain of the switching device, a second substrate having a common electrode disposed on the first substrate, and a liquid crystal layer. The source of the switching device is connected to the data line. The passivation layer has a plurality of second openings respectively exposing the contact pads and the bridge electrode, wherein the bridge electrode is electrically disconnected from the contact pads.07-22-2010
20110164195DISPLAY DEVICE HAVING HEATING LAYER AND METHOD OF MAKING THE SAME - A display device includes a first substrate, a heating layer formed on the first substrate, an insulating layer having a first opening formed on the heating layer, at least one switching device, two contact pads formed on the insulating layer, and respectively electrically connected to the scan line and the data line, a capacitor, a passivation layer covering the switching device and the capacitor, and a pixel electrode formed on the passivation layer and electrically connected to the drain of the switching device. The source of the switching device is connected to the data line. The passivation layer has a plurality of second openings exposing the contact pads.07-07-2011
20110165727METHOD OF FABRICATING PHOTO SENSOR - A method of fabricating a photo sensor includes the following steps. First, a substrate is provided, having a conductive layer, a buffer dielectric layer, a patterned semiconductor layer, a dielectric layer, and a planarization layer disposed thereon from bottom to top, wherein the patterned semiconductor layer comprises a first doped region, an intrinsic region, and a second doped region disposed in order. Then, the planarization layer is patterned to form an opening in the planarization layer to expose a portion of the dielectric layer, wherein the opening is positioned on the intrinsic region and portions of the first and the second doped regions. Thereafter, at least a patterned transparent conductive layer is formed in the opening, covering the boundary of the intrinsic region and the first doped region and the boundary of the intrinsic region and the second doped region.07-07-2011

Patent applications by Chien-Sen Weng, Hsin-Chu TW

Chien-Sen Weng, Hsinchu County TW

Patent application numberDescriptionPublished
20090286336MANUFACTURING METHOD OF THIN FILM TRANSISTOR ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY PANEL - A manufacturing method of a thin film transistor array substrate incorporating the manufacture of a photo-sensor is provided. In the manufacturing method, a photo-sensing dielectric layer is formed between a transparent conductive layer and a metal electrode for detecting ambient light. Since the transparent conductive layer is adopted as an electrode, the ambient light can pass through the transparent conductive layer and get incident light into the photo-sensing dielectric layer. Therefore, the sensing area of the photo-sensor can be enlarged and the photo-sensing efficiency is improved. In addition, the other side of the photo sensitive dielectric layer may be a metal electrode. The metal electrode can block the backlight from getting incident into the photo-sensing dielectric layer and thus reduce the background noise. A manufacturing method of a liquid crystal display panel adopting the aforementioned thin film transistor array substrate is also provided.11-19-2009
20100012970LIGHT EMITTING DIODE CHIP AND FABRICATING METHOD THEREOF - An LED chip includes a substrate, a semiconductor device layer, a wall structure, and a number of electrodes. The semiconductor device layer is disposed on the substrate and includes a first-type doped semiconductor layer disposed on the substrate, an active layer disposed on a portion of the first-type doped semiconductor layer, and a second-type doped semiconductor layer disposed on the active layer and having a first top surface. The wall structure is disposed on the first-type doped semiconductor layer that is not covered by the active layer and surrounds the active layer. Besides, the wall structure has a second top surface higher than the first top surface of the second-type doped semiconductor layer. Additionally, the electrodes are disposed on and electrically connected with the first-type doped semiconductor layer and the second-type doped semiconductor layer.01-21-2010
20100015742METHOD FOR FABRICATING LIGHT EMITTING DIODE CHIP - A method for fabricating a light emitting diode chip is provided. In the method, a half-tone mask process, a gray-tone mask process or a multi-tone mask process is applied and combined with a lift-off process to further reduce process steps of the light emitting diode chip. In the present invention, some components may also be simultaneously formed by an identical process to reduce the process steps of the light emitting diode chip. Consequently, the fabricating method of the light emitting diode provided in the present invention reduces the cost and time for the fabrication of the light emitting diode.01-21-2010
20100099206MANUFACTURING METHOD OF THIN FILM TRANSISTOR ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY PANEL - A manufacturing method of a thin film transistor array substrate is provided. In the method, a substrate having a display region and a sensing region is provided. At least a display thin film transistor is formed in the display region, a first sensing electrode is formed in the sensing region, and an inter-layer dielectric layer is disposed on the substrate, covers the display thin film transistor, and exposes the first sensing electrode. A patterned photo sensitive dielectric layer is then formed on the first sensing electrode. A patterned transparent conductive layer is subsequently formed on the substrate, wherein the patterned transparent conductive layer includes a pixel electrode coupled to the corresponding display thin film transistor and includes a second sensing electrode located on the patterned photo sensitive dielectric layer. A manufacturing method of a liquid crystal display panel adopting the aforementioned thin film transistor array substrate is also provided.04-22-2010
20100148189LIGHT EMITTING DIODE - A LED chip including a substrate, a semiconductor device layer, a current blocking layer, a current spread layer, a first electrode and a second electrode is provided. The semiconductor device layer is disposed on the substrate. The current blocking layer is disposed on a part of the semiconductor device layer and includes a current blocking segment and a current distribution adjusting segment. The current spread layer is disposed on a part of the semiconductor device layer and covers the current blocking layer. The first electrode is disposed on the current spread layer, wherein a part of the current blocking segment is overlapped with the first electrode. Contours of the current blocking segment and the first electrode are similar figures. Contour of the first electrode and is within contour of the current blocking segment. The current distribution adjusting segment is not overlapped with the first electrode.06-17-2010
20100167434METHOD FOR FABRICATING LIGHT EMITTING DIODE CHIP - A method for fabricating a light emitting diode chip is provided. Firstly, a semiconductor device layer is formed on a substrate. Afterwards, a current spreading layer is formed on a portion of the semiconductor device layer. Then, a current blocking layer and a passivation layer are formed on a portion of the semiconductor device layer not covered by the current spreading layer. Finally, a first electrode is formed on the current blocking layer and the current spreading layer. Moreover, a second electrode is formed on the semiconductor device layer.07-01-2010