Kuo-Hua Chen
Kuo-Hua Chen, Taichung City TW
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20110088982 | Lifting Device For An Overhead Projector Which Has A Constant Velocity During The Upward And Downward Movement - A lifting device includes a lifting unit, a drive unit connected with the lifting unit to control operation of the lifting unit, and a braking unit connected with the drive unit to control operation of the drive unit. The braking unit includes a microprocessor, a control circuit connected with the microprocessor, a changeover switch connected with the control circuit and the drive unit, and a control switch connected with the microprocessor and the changeover switch. Thus, the drive unit is rotated normally in the positive direction to lift the overhead projector and is rotated at a slower speed in the reverse direction to lower the overhead projector so that the overhead projector is kept at a constant speed during the lifting and lowering process and is moved upward and downward smoothly and stably. | 04-21-2011 |
Kuo-Hua Chen, Daliao Shiang TW
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20100206622 | SUBSTRATE STRUCTURE AND PACKAGE STRUCTURE USING THE SAME - A substrate structure and a package structure using the same are provided. The substrate structure includes a number of traces, a substrate core and a number of first metal tiles. The substrate core has a first surface and a second surface opposite to the first surface. The first metal tiles are disposed on one of the first surface and the second surface, the minimum pitch between adjacent two of the first metal tiles is the minimum process pitch. | 08-19-2010 |
20140144683 | SUBSTRATE STRUCTURE AND PACKAGE STRUCTURE USING THE SAME - A substrate structure is provided. The substrate structure includes a number of traces, a substrate core, a number of first metal tiles, a number of second metal tiles, a number of first electrically-functioning circuits, and a number of second electrically-functioning circuits. The substrate core has a first surface and a second surface opposite to the first surface. The traces, the first metal tiles, and the first electrically-functioning circuits are disposed on the first surface and add up to a first metal structure proportion, and the second metal tiles and the second electrically-functioning circuits are disposed on the second surface and add up to a second metal structure proportion. The difference between the first metal structure proportion and the second metal structure proportion is within 15%. | 05-29-2014 |
Kuo-Hua Chen, Kaohsiung TW
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20100187681 | Silicon Substrate Having Through Vias and Package Having the Same - The present invention relates to a silicon substrate having through vias and a package having the same. The silicon substrate includes a substrate body, a plurality of through vias and at least one heat dissipating area. The substrate body has a surface, and the material of the substrate body is silicon. The through vias penetrate the substrate body, and each of the through vias has a conductive material therein. The heat dissipating area is disposed on the surface of the substrate body and covers at least two through vias. The heat dissipating area is made of metal, and the through vias inside the heat dissipating area have same electrical potential. Thus, the heat in the through vias is transmitted to the heat dissipating area, and since the area of the heat dissipating area is large, the silicon substrate has good heat dissipation efficiency. | 07-29-2010 |
20140239494 | SEMICONDUCTOR PACKAGE STRUCTURE AND SEMICONDUCTOR PROCESS - The disclosure relates to a semiconductor bonding structure and process and a semiconductor chip. The semiconductor bonding structure includes a first pillar, a first interface, an intermediate area, a second interface and a second pillar in sequence. The first pillar, the second pillar and the intermediate area include a first metal. The first interface and the second interface include the first metal and an oxide of a second metal. The content percentage of the first metal in the first interface and the second interface is less than that of the first metal in the intermediate area. | 08-28-2014 |
Kuo-Hua Chen, Taipei Hsien TW
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20100164293 | ELECTRONIC CARD CONNECTOR, LEVEL-SHIFTING DEVICE AND DIGITAL TELEVISION RECEIVER - An electronic card connector is used to connect an electronic card to an electronic device, such as a level-shifting device. The electronic card connector includes an insert slot unit and a switch unit. The insert slot unit is adapted for insertion of the electronic card and is provided with a power signal terminal for providing electric power to the electronic card that is inserted into the insert slot unit. The 10 switch unit is disposed in the insert slot unit, is operable to establish electrical connection between the power signal terminal and a first power source when the electronic card inserted into the insert slot unit does not actuate the switch unit, and is further operable to establish electrical connection between the power signal terminal and a second power source when the electronic card inserted into the insert slot unit actuates the switch unit. | 07-01-2010 |
20100165211 | ELECTRONIC CARD CONNECTOR, LEVEL-SHIFTING DEVICE AND DIGITAL TELEVISION RECEIVER - An electronic card connector is used to connect an electronic card to an electronic device, such as a level-shifting device. The electronic card connector includes an insert slot unit and a switch unit. The insert slot unit is adapted for insertion of the electronic card and is provided with a power signal terminal for providing electric power to the electronic card that is inserted into the insert slot unit. The 10 switch unit is disposed in the insert slot unit, is operable to establish electrical connection between the power signal terminal and a first power source when the electronic card inserted into the insert slot unit does not actuate the switch unit, and is further operable to establish electrical connection between the power signal terminal and a second power source when the electronic card inserted into the insert slot unit actuates the switch unit. | 07-01-2010 |
Kuo-Hua Chen, Hsichih TW
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20100060668 | METHOD AND DEVICE FOR CONTROLLING BRIGHTNESS OF DISPLAY ELEMENT - A method and device for controlling the backlight brightness of a display element are provided. The display method utilizes horizontal scan frequency and vertical scan frequency of an image to obtain a display mode of the image by referring to a scan-frequency list. When the display mode of the image is a first mode, set the backlight module of the display element to a first brightness, which makes the display element display the image with the first brightness. When the display mode of the image is a second mode, set the backlight module of the display element to a second brightness, which makes the display element display the image with the second brightness, wherein the display element displays the image more brightly with the second brightness than with the first brightness. | 03-11-2010 |
20100149414 | Method and Apparatus for Processing Video - In the specification and drawing a method for processing video is disclosed. The method comprises the following steps: at least one frame rate of the video is detected, and a refresh rate of a display is adjusted to about 96 Hz when the frame rate is about 24 fps. Moreover, an apparatus for processing video is also disclosed in the specification and drawing. | 06-17-2010 |
Kuo-Hua Chen, Taipei TW
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20100099305 | ELECTRONIC CARD CONNECTOR, LEVEL-SHIFTING DEVICE AND DIGITAL TELEVISION RECEIVER - An electronic card connector is used to connect an electronic card to an electronic device, such as a level-shifting device. The electronic card connector includes an insert slot unit and a switch unit. The insert slot unit is adapted for insertion of the electronic card and is provided with a power signal terminal for providing electric power to the electronic card that is inserted into the insert slot unit. The 10 switch unit is disposed in the insert slot unit, is operable to establish electrical connection between the power signal terminal and a first power source when the electronic card inserted into the insert slot unit does not actuate the switch unit, and is further operable to establish electrical connection between the power signal terminal and a second power source when the electronic card inserted into the insert slot unit actuates the switch unit. | 04-22-2010 |
20110123734 | FLAT VACUUM GLASS STRUCTURE - A vacuum glass structure comprising two glass substrates maintained at an substantially constant interval by a glass frit paste sealingly adhering to the peripheries thereof, forming a hermetically sealed vacuum room. A receiving gap is formed at the periphery of the glass substrate. The internal surface of the glass structure further includes an air chamber and a glass tube groove for receiving a pumping tube. The pumping tube can be placed inside the receiving gap with the internal end of the pumping tube extending from the receiving gap through the glass tube groove into the air chamber. The external end of the pumping tube constitutes a hermetic seal retained within the geometric boundary of the receiving gap. The air chamber structure may improve air transferring efficiency and prevents problems such as blockage in the pumping tube, thus enabling an increase in production yield. | 05-26-2011 |
Kuo-Hua Chen, Penghu County TW
Kuo-Hua Chen, Guanyin Township TW
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20090015132 | LEADING MEANS OF ELECTRODE LEADS OF FIELD EMISSION DISPLAY - A leading means of electrode leads of a field emission display includes a cathode plate, an anode plate and a package side frame. The cathode plate is combined with the anode plate correspondingly. The cathode plate has a cathode substrate. The cathode substrate is provided thereon with a cathode conductive layer. The anode plate has an anode substrate. The anode substrate is provided with an anode conductive layer thereon. Further, the package side frame is provided between the cathode substrate and the anode substrate. A lead plate extends from one side of the package side frame. Both end faces of the lead plate are provided with a plurality of electrode leads, and a conductive layer is provided between the electrode leads and the cathode/anode substrate to electrically connect with the cathode/anode conducting layer, respectively. The extending lead plate electrically guides the electricity of the cathode conductive layer and the anode conductive layer to the outside, thereby connecting to other power supply. | 01-15-2009 |
Kuo-Hua Chen, Penghu TW
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20080290489 | Package structure and electronic device using the same - A package structure and an electronic device using the same are provided. The package structure includes a chip module and a cover. The chip module covered by the cover is used for receiving a first signal. The chip module includes a substrate, a heat sink and a first chip. The substrate has a first surface, a second surface and an opening. The first surface is opposite to the second surface. The opening penetrates the first surface and the second surface. The heat sink is disposed on the first surface of the substrate and covers the opening. The first chip is disposed on the heat sink and is positioned inside the opening. A bottom surface of the first chip flatly contacts the heat sink. The cover has a window element. The first signal passes through the window element to contact with the chip module. | 11-27-2008 |
Kuo-Hua Chen, New Taipei City TW
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20140054978 | ELECTRONIC DEVICE AND ELECTRONIC SYSTEM AND OPERATION METHODS THEREOF - An embodiment of the disclosure provides an electronic device including a power supply, an optical to electrical converter and a controller. The power supply outputs a first electric power. The optical to electrical converter receives an infrared light beam and converts the infrared light beam to a second electric power. The controller is coupled to the power supply and the optical to electrical converter. The controller operates in a first mode and a second mode. When the controller operates in the first mode, the controller is activated by the second electric power and after the controller is activated, the controller operates in the second mode and drives the power supply. Then, the controller receives the first electric power and stops receiving the first electric power for operation. | 02-27-2014 |