Patents by Inventor Kun-Pei Lee
Kun-Pei 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: 20200219941Abstract: A capacitive touch panel is disclosed. The capacitive touch panel includes a plurality of pixels. A laminated structure of each pixel includes a substrate, a display layer, a thin-film encapsulation layer and a conductive layer from bottom to top. The display layer is disposed above the substrate. The thin-film encapsulation layer is disposed above the display layer with respect to the substrate. The thin-film encapsulation layer includes alternately stacked organic material layer and inorganic material layer. The conductive layer is disposed above the thin-film encapsulation layer or within the thin-film encapsulation layer. The conductive layer is electrically connected to a connection pad disposed above a non-display area of the display layer.Type: ApplicationFiled: December 27, 2019Publication date: July 9, 2020Inventors: CHANG-CHING CHIANG, KUN-PEI LEE
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Patent number: 10162994Abstract: A capacitive fingerprint sensing apparatus includes sensing electrodes, a sensing driver and a processing module. Under a first self-capacitive sensing mode, the sensing driver combines M adjacent sensing electrodes to form a first sensing electrode set to perform a first self-capacitive sensing to obtain a first self-capacitive fingerprint sensing signal; under a second self-capacitive sensing mode, the sensing driver combines N adjacent sensing electrodes to form a second sensing electrode set to perform a second self-capacitive sensing to obtain a second self-capacitive fingerprint sensing signal. M and N are positive integers larger than 1. The processing module generates a first self-capacitive fingerprint pattern and a second self-capacitive fingerprint pattern according to first self-capacitive fingerprint sensing signal and second self-capacitive fingerprint sensing signal and combines them into a third self-capacitive fingerprint pattern.Type: GrantFiled: January 12, 2017Date of Patent: December 25, 2018Assignee: Raydium Semiconductor CorporationInventors: Chang-Ching Chiang, Kun-Pei Lee
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Publication number: 20180329553Abstract: An in-cell touch panel is disclosed. The in-cell touch panel includes a plurality of pixels. A laminated structure of each pixel includes a substrate, an encapsulation layer, an organic emissive layer, a first conductive layer and a second conductive layer. The encapsulation layer is disposed opposite to the substrate. The organic emissive layer is formed between the substrate and the encapsulation layer. The first conductive layer is formed between the organic emissive layer and the encapsulation layer. The second conductive layer is formed between the organic emissive layer and the encapsulation layer.Type: ApplicationFiled: May 11, 2018Publication date: November 15, 2018Inventors: Chang-Ching CHIANG, Kun-Pei LEE
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Publication number: 20180321765Abstract: A capacitive touch panel is disclosed. The capacitive touch panel includes a plurality of pixels. A laminated structure of each pixel includes a substrate, a display layer, a thin-film encapsulation layer and a conductive layer from bottom to top. The display layer is disposed above the substrate. The thin-film encapsulation layer opposite to the substrate is disposed above the display layer. The thin-film encapsulation layer includes alternately stacked organic material layer and inorganic material layer. The conductive layer is disposed above the display layer. The conductive layer is electrically connected to a contact on the display layer through a via formed in the thin-film encapsulation layer.Type: ApplicationFiled: April 27, 2018Publication date: November 8, 2018Inventors: Chang-Ching CHIANG, Kun-Pei LEE
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Patent number: 10055632Abstract: A capacitive fingerprint sensing apparatus includes sensing electrodes, a sensing driver, and a processing module. In a self-capacitive sensing mode, the sensing driver performs self-capacitive sensing on at least one sensing electrode to obtain a first fingerprint sensing signal. In a mutual-capacitive sensing mode, the sensing driver performs mutual-capacitive sensing on at least two adjacent sensing electrodes to obtain a second fingerprint sensing signal. The processing module generates a first fingerprint pattern and a second fingerprint pattern according to the first fingerprint sensing signal and the second fingerprint sensing signal and combines the first fingerprint pattern and the second fingerprint pattern into a combined fingerprint pattern. The resolution of the combined fingerprint pattern along at least one direction is larger than that of the first fingerprint pattern and the second fingerprint pattern along the at least one direction.Type: GrantFiled: August 5, 2016Date of Patent: August 21, 2018Assignee: Raydium Semiconductor CorporationInventors: Chang-Ching Chiang, Kun-Pei Lee
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Patent number: 10055069Abstract: An in-cell touch panel and its trace layout are disclosed. The in-cell touch panel includes a plurality of pixels. Each pixel has a laminated structure bottom-up including a substrate, a TFT layer, a liquid crystal layer, a color filter layer, and a glass layer. The TFT layer is disposed on the substrate. A first conductive layer and a second conductive layer are integrated in the TFT layer. The liquid crystal layer is disposed on the TFT layer. The color filter layer is disposed on the liquid crystal layer. The glass layer is disposed on the color filter layer. The design of touch sensing electrodes and their trace layout in the in-cell touch panel of the application is simple and it can effectively reduce cost and reduce the RC loading of a common electrode.Type: GrantFiled: October 16, 2015Date of Patent: August 21, 2018Assignee: Raydium Semiconductor CorporationInventors: Kun-Pei Lee, Yi-Ying Lin, Chang-Ching Chiang
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Patent number: 9983750Abstract: An in-cell mutual-capacitive touch panel is disclosed. The in-cell mutual-capacitive touch panel includes a plurality of pixels. A laminated structure of each pixel includes a substrate, a TFT layer, a liquid crystal layer, a color filter layer and a glass layer. The TFT layer is disposed on the substrate. A first conductive layer and a common electrode are disposed in the TFT layer. The first conductive layer is arranged in mesh type or only arranged along a first direction in an active area of the in-cell mutual-capacitive touch panel. The liquid crystal layer is disposed above the TFT layer. The color filter layer is disposed above the liquid crystal layer. The glass layer is disposed above the color filter layer.Type: GrantFiled: May 25, 2016Date of Patent: May 29, 2018Assignee: Raydium Semiconductor CorporationInventors: Kun-Pei Lee, Yi-Ying Lin, Chang-Ching Chiang, Yu-Chin Hsu
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Patent number: 9904424Abstract: An in-cell mutual-capacitive touch panel and its trace layout are disclosed. Horizontal traces of first direction touch electrode and horizontal traces of MFL electrode are disposed at both upper-side and lower-side out of an active area of in-cell mutual-capacitive touch panel respectively. The horizontal traces of MFL electrode are closer to the active area of in-cell mutual-capacitive touch panel than the horizontal traces of first direction touch electrode to reduce the additional coupling between the traces and electrodes. At least one trace is disposed at right-side and left-side out of an active area of in-cell mutual-capacitive touch panel to reduce entire RC loading of the in-cell mutual-capacitive touch panel.Type: GrantFiled: October 16, 2015Date of Patent: February 27, 2018Assignee: Raydium Semiconductor CorporationInventors: Kun-Pei Lee, Yu-Chin Hsu, Yi-Ying Lin
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Patent number: 9891745Abstract: An in-cell mutual-capacitive touch panel having low RC loading and its trace layout are disclosed. A first conductive layer and a second conductive layer are used as bridge of TX electrode and MFL electrode above an active area of in-cell mutual-capacitive touch panel. The second conductive layer and a transparent conductive layer are used as bridge of TX electrode and MFL electrode at the lower-side out of the active area. Cooperated with at least one driving IC having more than two sets of TX electrode pins and MFL electrode pins and the number of the at least one driving IC is determined according to the size of the in-cell mutual-capacitive touch panel. At the same time, the second conductive layer has traces in parallel distributed in the same electrode area of the active area. Therefore, the RC loading of the in-cell mutual-capacitive touch panel of the invention can be largely reduced.Type: GrantFiled: September 18, 2015Date of Patent: February 13, 2018Assignee: Raydium Semiconductor CorporationInventors: Kun-Pei Lee, Yu-Chin Hsu, Yi-Ying Lin
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Patent number: 9830494Abstract: A capacitive fingerprint sensing apparatus including sensing electrodes, a scanning driver, a sensing driver and a processing module is disclosed. In a self-capacitive sensing mode, the scanning driver drives a pair of adjacent scanning lines among the scanning lines and the sensing driver performs self-capacitive sensing through at least one sensing line among the sensing lines to obtain a first fingerprint sensing signal. In a mutual-capacitive sensing mode, the scanning driver drives the pair of adjacent scanning lines and the sensing driver performs mutual-capacitive sensing through at least two adjacent sensing lines among the sensing lines to obtain a second fingerprint sensing signal. The processing module generates a first fingerprint pattern and a second fingerprint pattern according to the first fingerprint sensing signal and the second fingerprint sensing signal and combines the first fingerprint pattern and the second fingerprint pattern into a combined fingerprint pattern.Type: GrantFiled: July 11, 2016Date of Patent: November 28, 2017Assignee: Raydium Semiconductor CorporationInventors: Chang-Ching Chiang, Kun-Pei Lee
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Patent number: 9746978Abstract: A capacitive touch panel is disclosed. The capacitive touch panel includes a laminated structure. The laminated structure includes a liquid crystal displaying module, a single-layer touch sensor, and a polarizing module. The single-layer touch sensor is disposed on the liquid crystal displaying module. The polarizing module is disposed on the single-layer touch sensor. The single-layer touch sensor includes a plurality of first electrodes and a plurality of second electrodes. The first electrodes and the second electrodes are configured in an asymmetric electrode arranging way, so that one of the first electrodes will be arranged corresponding to at least two of the second electrodes.Type: GrantFiled: September 28, 2015Date of Patent: August 29, 2017Assignee: Raydium Semiconductor CorporationInventors: Yi-Ying Lin, Kun-Pei Lee, Hsin-Wei Shieh
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Publication number: 20170206394Abstract: A capacitive fingerprint sensing apparatus includes sensing electrodes, a sensing driver and a processing module. Under a first self-capacitive sensing mode, the sensing driver combines M adjacent sensing electrodes to form a first sensing electrode set to perform a first self-capacitive sensing to obtain a first self-capacitive fingerprint sensing signal; under a second self-capacitive sensing mode, the sensing driver combines N adjacent sensing electrodes to form a second sensing electrode set to perform a second self-capacitive sensing to obtain a second self-capacitive fingerprint sensing signal. M and N are positive integers larger than 1. The processing module generates a first self-capacitive fingerprint pattern and a second self-capacitive fingerprint pattern according to first self-capacitive fingerprint sensing signal and second self-capacitive fingerprint sensing signal and combines them into a third self-capacitive fingerprint pattern.Type: ApplicationFiled: January 12, 2017Publication date: July 20, 2017Inventors: Chang-Ching Chiang, Kun-Pei Lee
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Patent number: 9696851Abstract: An on-cell capacitive touch panel is disclosed. Its laminated structure includes a LCD module, a touch sensing module, and a polarizing module. The touch sensing module is disposed on the LCD module. The polarizing module is disposed on the touch sensing module. The touch sensing module includes a touch sensor pattern having a single-layer ITO structure. The touch sensor pattern includes a first pattern unit and a second pattern unit which are the same and both have at least one first electrode, second electrode, and extending electrode. The first electrode is arranged along a first direction and the second electrode is arranged along a second direction. The first direction and second direction are vertical. The first electrode crosses the second electrode via a bridge structure. The extending electrode surrounds the first electrode and it is arranged along the first direction.Type: GrantFiled: January 31, 2017Date of Patent: July 4, 2017Assignee: Raydium Semiconductor CorporationInventors: Yi-Ying Lin, Kuan-Ming Lin, Hsin-Wei Shieh, Kun-Pei Lee
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Publication number: 20170139543Abstract: An on-cell capacitive touch panel is disclosed. Its laminated structure includes a LCD module, a touch sensing module, and a polarizing module. The touch sensing module is disposed on the LCD module. The polarizing module is disposed on the touch sensing module. The touch sensing module includes a touch sensor pattern having a single-layer ITO structure. The touch sensor pattern includes a first pattern unit and a second pattern unit which are the same and both have at least one first electrode, second electrode, and extending electrode. The first electrode is arranged along a first direction and the second electrode is arranged along a second direction. The first direction and second direction are vertical. The first electrode crosses the second electrode via a bridge structure. The extending electrode surrounds the first electrode and it is arranged along the first direction.Type: ApplicationFiled: January 31, 2017Publication date: May 18, 2017Inventors: Yi-Ying LIN, Kuan-Ming Lin, Hsin-Wei Shieh, Kun-Pei Lee
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Publication number: 20170115812Abstract: A capacitive force sensing touch panel is disclosed. The capacitive force sensing touch panel includes pixels. A laminated structure of each pixel includes a first substrate, a TFT layer, a first conductive layer, a second conductive layer, a third conductive layer and a second substrate. The TFT layer is disposed above the first substrate. The first conductive layer is disposed above the TFT layer. The second conductive layer is disposed above the first conductive layer. The third conductive layer corresponds to the second conductive layer and the third conductive layer is disposed above the second conductive layer. The second substrate is disposed above the third conductive layer.Type: ApplicationFiled: October 26, 2016Publication date: April 27, 2017Inventors: Yi-Ying Lin, Hsin-Wei Shieh, Chang-Ching Chiang, Kun-Pei Lee
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Patent number: 9612699Abstract: An on-cell capacitive touch panel is disclosed. Its laminated structure includes a LCD module, a touch sensing module, and a polarizing module. The touch sensing module is disposed on the LCD module. The polarizing module is disposed on the touch sensing module. The touch sensing module includes a touch sensor pattern having a single-layer ITO structure. The touch sensor pattern includes a first pattern unit and a second pattern unit which are the same and both have at least one first electrode, second electrode, and extending electrode. The first electrode is arranged along a first direction and the second electrode is arranged along a second direction. The first direction and second direction are vertical. The first electrode crosses the second electrode via a bridge structure. The extending electrode surrounds the first electrode and it is arranged along the first direction.Type: GrantFiled: July 9, 2015Date of Patent: April 4, 2017Assignee: Raydium Semiconductor CorporationInventors: Yi-Ying Lin, Kuan-Ming Lin, Hsin-Wei Shieh, Kun-Pei Lee
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Publication number: 20170083146Abstract: A self-capacitive touch operation method and a self-capacitive touch sensing apparatus applied to a self-capacitive touch panel are disclosed. The self-capacitive touch operation method disposes program-controllable touch sensing nodes and selectively controls each touch sensing node to operate independently or combines at least two touch sensing nodes of the touch sensing nodes to operate together under different operation modes. The self-capacitive touch sensing apparatus includes program-controllable touch sensing nodes and a control module. Under different operation modes, the control module selectively controls each touch sensing node to operate independently or combines at least two touch sensing nodes of the touch sensing nodes to operate together.Type: ApplicationFiled: September 19, 2016Publication date: March 23, 2017Inventors: Chih Yuan, Chih-Hsiung Chen, Chen-Wei Yang, Kun-Pei Lee
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Publication number: 20170075493Abstract: A capacitive force sensing touch panel is disclosed. The capacitive force sensing touch panel includes pixels. A laminated structure of each pixel includes a first substrate, an anode layer, an OLED layer, a cathode layer, a second substrate, a first conductive layer and a second conductive layer. The anode layer is disposed above the first substrate. The OLED layer is disposed above the anode layer. The cathode layer is disposed above the OLED layer. The second substrate is disposed above the cathode layer. The first conductive layer and the second conductive layer are disposed on a first plane and a second plane above the OLED layer respectively and selectively driven to be a touch sensing electrode or force sensing electrode.Type: ApplicationFiled: August 22, 2016Publication date: March 16, 2017Inventors: Kun-Pei LEE, Chen-Wei Yang, Hsin-Wei Shieh, Yi-Ying Lin, Chang-Ching Chiang
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Publication number: 20170061194Abstract: A capacitive fingerprint sensing apparatus includes sensing electrodes, a sensing driver, and a processing module. In a self-capacitive sensing mode, the sensing driver performs self-capacitive sensing on at least one sensing electrode to obtain a first fingerprint sensing signal. In a mutual-capacitive sensing mode, the sensing driver performs mutual-capacitive sensing on at least two adjacent sensing electrodes to obtain a second fingerprint sensing signal. The processing module generates a first fingerprint pattern and a second fingerprint pattern according to the first fingerprint sensing signal and the second fingerprint sensing signal and combines the first fingerprint pattern and the second fingerprint pattern into a combined fingerprint pattern. The resolution of the combined fingerprint pattern along at least one direction is larger than that of the first fingerprint pattern and the second fingerprint pattern along the at least one direction.Type: ApplicationFiled: August 5, 2016Publication date: March 2, 2017Inventors: Chang-Ching Chiang, Kun-Pei Lee
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Publication number: 20170045992Abstract: A capacitive force sensing touch panel is disclosed. The capacitive force sensing touch panel includes a plurality of pixels. A laminated structure of each pixel includes a first plane, a second plane, at least a first electrode and at least a second electrode. The second plane is disposed above the first plane and parallel to the first plane. The at least one first electrode is disposed on the first plane. The at least one second electrode is disposed on the second plane. The at least one first electrode and the at least one second electrode are selectively driven as touch sensing electrodes or force sensing electrodes respectively.Type: ApplicationFiled: August 10, 2016Publication date: February 16, 2017Inventors: Kun-Pei Lee, Yi-Ying Lin, Hsin-Wei Shieh, Chang-Ching Chiang, Yu-Chin Hsu