Patents by Inventor Cheng-Hao Lee
Cheng-Hao Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20150187282Abstract: A display module is disclosed herein. The display module includes a substrate, an auxiliary display component, and an e-paper display component. The auxiliary display component is disposed on the substrate. The e-paper display component is disposed on the auxiliary display component. In a shutter mode, the e-paper display component is substantially transparent, such that an image displayed by the auxiliary display component can pass along the e-paper display component and can be presented on a viewing side of the display module.Type: ApplicationFiled: September 11, 2014Publication date: July 2, 2015Inventor: Cheng-Hao LEE
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Publication number: 20150131234Abstract: A heat dissipation device is used in a circuit board, where the circuit board includes a chip and at least one positioning hole disposed around the chip, and each of the positioning holes has a bare metal area on its periphery. The heat dissipation device includes a heat dissipation element, a conductive element and at least one fixing part. The heat dissipation element is disposed on the chip; the conductive element is connected electrically to the bare metal area of the circuit board and the heat dissipation element respectively; the fixing part passes through the fixing holes and is connected to the positioning hole, so as to fix the heat dissipation element to the circuit board. A circuit board is also provided, which includes a substrate, a chip, a positioning hole and the heat dissipation device.Type: ApplicationFiled: December 2, 2014Publication date: May 14, 2015Inventors: Yu-Feng CHIANG, Cheng-Hao LEE, Chun-Lin WANG, Tung-Huang KUO
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Patent number: 8975860Abstract: An electromagnetic touch input pen having a USB interface, used to provide touch input to an information processing device, the pen including: an electromagnetic touch input pen, having a battery module; and a USB plug, coupled with the battery module, wherein the battery module can access a charging power with the USB plug inserted into a USB socket of the information processing device.Type: GrantFiled: November 29, 2010Date of Patent: March 10, 2015Assignee: E Ink Holdings Inc.Inventor: Cheng-Hao Lee
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Patent number: 8941996Abstract: A heat dissipation device is used in a circuit board, where the circuit board includes a chip and at least one positioning hole disposed around the chip, and each of the positioning holes has a bare metal area on its periphery. The heat dissipation device includes a heat dissipation element, a conductive element and at least one fixing part. The heat dissipation element is disposed on the chip; the conductive element is connected electrically to the bare metal area of the circuit board and the heat dissipation element respectively; the fixing part passes through the fixing holes and is connected to the positioning hole, so as to fix the heat dissipation element to the circuit board. A circuit board is also provided, which includes a substrate, a chip, a positioning hole and the heat dissipation device.Type: GrantFiled: September 12, 2012Date of Patent: January 27, 2015Assignee: Wistron CorporationInventors: Yu-Feng Chiang, Cheng-Hao Lee, Chun-Lin Wang, Tung-Huang Kuo
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Publication number: 20140210690Abstract: A real-time multitask operating method for an electronic device. The electronic device has a first display device and a second display device. The first display device and the second display device are respectively disposed on two surfaces of the electronic device corresponding to each other. In the method, a signal is received when a first function is executed by the electronic device to display a first frame corresponding to the first function by the first display device. The first frame and a second frame corresponding to the signal are displayed on the first display device and the second display device according to the signal when the first function is still executed. The first frame and the second frame are displayed on different display devices.Type: ApplicationFiled: October 23, 2013Publication date: July 31, 2014Applicant: E Ink Holdings Inc.Inventors: Cheng-Hao Lee, Chun-Wei Chu
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Patent number: 8717264Abstract: A displaying method includes the following steps. First, display image frames and display a first color to clean images of a preceding image frame between the displaying of two image frames. Afterward, whenever a counting number of the image frames which have been displayed reaches a predetermined number, change to display one of the first color and a second color to clean images of the preceding image frame and then to display the other one of the first color and the second color to clean images of the preceding image frame between the displaying of two image frames for a while.Type: GrantFiled: March 11, 2009Date of Patent: May 6, 2014Assignee: E Ink Holdings Inc.Inventor: Cheng-Hao Lee
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Publication number: 20140062649Abstract: A controlling method, adapted for an electronic device for coexistence of radio frequency identification (RFID) and display functions, is provided. The controlling method includes powering on a display of the electronic device and controlling the display to show a frame. Next, a RFID module of the electronic device is powered on to perform a wireless communication function of the RFID module. The controlling method of the invention efficiently controls the execution of the display and wireless communication functions, so as to prevent mutual interference.Type: ApplicationFiled: June 25, 2013Publication date: March 6, 2014Inventor: Cheng-Hao Lee
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Publication number: 20140016272Abstract: A heat dissipation device is used in a circuit board, where the circuit board includes a chip and at least one positioning hole disposed around the chip, and each of the positioning holes has a bare metal area on its periphery. The heat dissipation device includes a heat dissipation element, a conductive element and at least one fixing part. The heat dissipation element is disposed on the chip; the conductive element is connected electrically to the bare metal area of the circuit board and the heat dissipation element respectively; the fixing part passes through the fixing holes and is connected to the positioning hole, so as to fix the heat dissipation element to the circuit board. A circuit board is also provided, which includes a substrate, a chip, a positioning hole and the heat dissipation device.Type: ApplicationFiled: September 12, 2012Publication date: January 16, 2014Inventors: Yu-Feng CHIANG, Cheng-Hao Lee, Chun-Lin Wang, Tung-Huang Kuo
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Patent number: 8576556Abstract: An electronic book device integrated with a magnetic pen rack, including a leather cover, a rack, a magnetic pen, a LED light source module, and an electronic book. The rack, of rectangular outline and having an opening at one side, is fixed on the leather cover so as to form a rectangular space for accommodating the electronic book. The rack includes: at least one bolt, used for fixing the electronic book; a first groove, used for accommodating the magnetic pen, the first groove having a first metal contact part for electrically connecting the magnetic pen with the electronic book; and a second groove, used for accommodating the LED light source module, the second groove having a second metal contact part for electrically connecting the LED light source module with the electronic book.Type: GrantFiled: January 19, 2012Date of Patent: November 5, 2013Assignee: E Ink Holdings Inc.Inventors: Cheng-Hao Lee, Wei-Lin Hsieh
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Patent number: 8466884Abstract: A touch electrophoretic display apparatus includes an electrophoretic display panel and a touch panel. The electrophoretic display panel includes a substrate and a front plane laminate, wherein the front plane laminate is disposed on the substrate and the front plane laminate has an electrophoretic layer. The touch panel is disposed on the front plane laminate and is contacted the front plane laminate. The touch electrophoretic display apparatus has an advantage of high brightness.Type: GrantFiled: May 26, 2009Date of Patent: June 18, 2013Assignee: E Ink Holdings Inc.Inventor: Cheng-Hao Lee
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Publication number: 20130127925Abstract: A control method for a reading apparatus, includes making a display screen of the reading apparatus display a first pattern with a first gray value according to a first display request; and making the display screen display a second pattern with a second gray value according to a second display request in a condition of the first pattern existing. The second gray value is different from the first gray value.Type: ApplicationFiled: August 15, 2012Publication date: May 23, 2013Applicant: E Ink Holdings Inc.Inventors: CHENG-HAO LEE, CHING-LIANG YANG, HUA-CHIEN HUNG
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Patent number: 8421758Abstract: A display panel is adapted to being combined with a touch-sensitive device and being electrically connected to a circuit board. The display panel includes a first body and a first connector. The first body has a display area, a first surface and a second surface. The first surface is opposite to the second surface and the display area is located on the first surface. The first connector is electrically connected to the first body and the first body is adapted to being electrically connected to the circuit board via the first connector. The first body is adapted to being electrically connected to the touch-sensitive device such that the touch-sensitive device is adapted to being electrically connected to the circuit board via the first body and the first connector. Furthermore, a touch-sensitive display module including a display panel and a touch-sensitive device is also provided.Type: GrantFiled: October 30, 2008Date of Patent: April 16, 2013Assignee: E Ink Holdings Inc.Inventor: Cheng-Hao Lee
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Patent number: 8395566Abstract: A method of driving an electro-optic display includes the following steps. First, a first frame is displayed on pixels at a first time. Next, data of a second frame predetermined to be displayed on the pixels at a second time later than the first time is determined. Next, an eliminating frame showing a first extreme gray level or a second extreme gray level is displayed on the pixels at a third time. Afterwards, a medium frame is displayed on the pixels at a fourth time later than the third time. The third and fourth times are between the first and second times. The gray level shown by each pixel at the fourth time is close to the gray level predetermined to be shown by the same pixel at the second time. Thereafter, the second frame is displayed on the pixels at the second time.Type: GrantFiled: January 13, 2009Date of Patent: March 12, 2013Assignee: E Ink Holdings Inc.Inventors: Cheng-Hao Lee, Hsin-Chung Chen
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Patent number: 8362910Abstract: A digital electronic apparatus includes a touch display panel, an active touch pen and a power shortage reminding module. The active touch pen is suitable for inputting signals to the touch display panel. The power shortage reminding module is disposed in one of the touch display panel and the active touch pen. The power shortage reminding module is suitable for monitoring a remaining power of the active touch pen and prompting the touch display panel to send out a reminding signal for charging the active touch pen, and therefore, the active touch pen can be timely charged, which prevents the power of the active touch pen be exhausted in use.Type: GrantFiled: July 10, 2009Date of Patent: January 29, 2013Assignee: E Ink Holdings Inc.Inventor: Cheng-Hao Lee
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Publication number: 20120243174Abstract: An electronic book device integrated with a magnetic pen rack, including a leather cover, a rack, a magnetic pen, a LED light source module, and an electronic book. The rack, of rectangular outline and having an opening at one side, is fixed on the leather cover so as to form a rectangular space for accommodating the electronic book. The rack includes: at least one bolt, used for fixing the electronic book; a first groove, used for accommodating the magnetic pen, the first groove having a first metal contact part for electrically connecting the magnetic pen with the electronic book; and a second groove, used for accommodating the LED light source module, the second groove having a second metal contact part for electrically connecting the LED light source module with the electronic book.Type: ApplicationFiled: January 19, 2012Publication date: September 27, 2012Inventors: Cheng-Hao Lee, Wei-Lin Hsieh
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Publication number: 20120133327Abstract: An electromagnetic touch input pen having a USB interface, used to provide touch input to an information processing device, the pen including: an electromagnetic touch input pen, having a battery module; and a USB plug, coupled with the battery module, wherein the battery module can access a charging power with the USB plug inserted into a USB socket of the information processing device.Type: ApplicationFiled: November 29, 2010Publication date: May 31, 2012Inventor: Cheng-Hao LEE
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Patent number: 8174754Abstract: An electrophoretic display includes a plurality of pixels. A display method applied to the electrophoretic display includes the following steps. Firstly, a first frame is displayed on the pixels at a first time. Next, a difference amount between the pixels at the first time and the pixels at a second time predetermined for displaying a second frame is calculated. The second time is later than the first time. Next, whether the difference amount is larger than a predetermined value is determined. Next, corresponding part of the second frame is displayed on part of the pixels corresponding to the difference amount at the second time if the difference amount is not larger than the predetermined value.Type: GrantFiled: September 23, 2008Date of Patent: May 8, 2012Assignee: E Ink Holdings Inc.Inventors: Cheng-Hao Lee, Hsin-Chung Chen, Jen-Yu Chang
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Publication number: 20110316762Abstract: An electronic system comprises a mobile apparatus and a reading apparatus. The reading apparatus has a display screen and a plurality of operation units. When the reading apparatus is linked with the mobile apparatus through a data-transmission interface, the reading apparatus displays an image of an electronic file on the display screen thereof which is stored in the mobile apparatus. When one of the operation units is enabled, the reading apparatus generates a corresponding operation signal to the mobile apparatus, thus the mobile apparatus performs a corresponding operation process according to the operation signal.Type: ApplicationFiled: August 27, 2010Publication date: December 29, 2011Applicant: E Ink Holdings Inc.Inventors: Su-Cheng LIU, Chuang-Chuang TSAI, Cheng-Hao LEE, Ming-Chuan HUNG
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Publication number: 20110227837Abstract: An electromagnetic touch displayer is provided. The electromagnetic touch displayer may work with an electromagnetic signal transmission apparatus. The electromagnetic touch displayer comprises a plurality of sense antennas. When the electromagnetic touch displayer enters into a sleep mode, a part of the sense antennas will keep in the work mode. If the user wants to wake the electromagnetic touch displayer up to make it into the work mode, he will make the electromagnetic signal transmission apparatus transmit an electromagnetic signal. Then, the electromagnetic touch displayer receives the electromagnetic signal via the sense antennas which are still working, and enters into the work mode according to the electromagnetic signal.Type: ApplicationFiled: August 10, 2010Publication date: September 22, 2011Applicant: E INK HOLDINGS INC.Inventors: Cheng-Hao Lee, Feng-Chuan Yeh, Kai-Cheng Chuang, Tzu-Ming Wang
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Patent number: D676049Type: GrantFiled: September 14, 2012Date of Patent: February 12, 2013Assignee: E Ink Holdings Inc.Inventors: Cheng-Hao Lee, Feng-Chuan Yeh, Yu-Ta Kang, Chin-Hao Meng, Yi-Ling Hou, Pei-Sheng Lee, Suei-Shih Syu