Patents by Inventor Shih-Song Cheng
Shih-Song Cheng 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: 20240427067Abstract: Provided is a filter, including a substrate layer and a near-infrared absorption layer on the substrate layer, wherein the near-infrared absorption layer includes a copper complex formed from a copper compound for supplying copper ion, phosphonric acid represented by formula 1 herein, and at least one phosphorus-containing compound represented by formulas 2 to 4 herein, wherein the OD value of the filter for the incident light wavelength from 930-950 nm is greater than 4. In the present disclosure, by setting a specific near-infrared absorption layer on the filter, the filter is able to efficiently absorb near-infrared and exhibit excellent visible light transmittance, and the burden of film post-processing can be reduced.Type: ApplicationFiled: June 14, 2024Publication date: December 26, 2024Applicant: PLATINUM OPTICS TECHNOLOGY INC.Inventors: Shih-Song Cheng, Bo-Xun Zhu, Jia-Cheng Chang, Kuan-Yu Chen, Hung-Han Duan, Shi-Lin Zhang, Bo-En Zhu
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Publication number: 20240425709Abstract: Provided is an ultraviolet-absorbing resin composition, including 35 to 45 wt % of a fluorocarbon resin, 5 to 25 wt % of an isocyanate curing agent, 1 to 5 wt % of an ultraviolet absorbent, and a residual solvent accounting for the balance, based on the total weight of the ultraviolet-absorbing resin composition. Provided is also an ultraviolet-absorbing resin, an ultraviolet-absorbing structure including the same, and the method for preparing the same. The present disclosure obtains an ultraviolet-absorbing resin with a specific composition from a specific resin composition formula, and the ultraviolet-absorbing resin efficiently absorbs ultraviolet and has excellent visible light transmittance, as well as high stability.Type: ApplicationFiled: June 14, 2024Publication date: December 26, 2024Applicant: PLATINUM OPTICS TECHNOLOGY INC.Inventors: Shih-Song Cheng, Hung-Han Duan, Bo-Xun Zhu, Jia-Cheng Chang, Kuan-Yu Chen, Shi-Lin Zhang
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Publication number: 20240417576Abstract: Provided are a composite photosensitive element and a method for preparing a composite photosensitive element, and the composite photosensitive element includes a photosensitive element and a near-infrared absorption layer pasted on the photosensitive element, wherein the near-infrared absorption layer includes a copper complex, and the copper complex is formed from a copper compound providing copper ions, phosphoric acid represented by formula 1 herein, and at least one phosphorus-containing compound represented by formulas 2 to 4 herein, wherein the OD value of the near-infrared absorption layer for the incident light wavelength from 930-950 nm is greater than 4. The present disclosure forms a filtering film directly on the photosensitive element instead of using a traditional filter assembly to reduce the size of the assembled product. The filtering film can be further processed and shaped to have functions of micro-lens.Type: ApplicationFiled: June 14, 2024Publication date: December 19, 2024Applicant: PLATINUM OPTICS TECHNOLOGY INC.Inventors: Shih-Song Cheng, Bo-Xun Zhu, Jia-Cheng Chang, Kuan-Yu Chen, Shi-Lin Zhang, Chin-Lung Chen
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Publication number: 20240418908Abstract: Provided is a filter lens and a method for preparing the filter lens. The filter lens includes a copper complex, wherein the copper complex is formed from a copper compound providing copper ions, phosphoric acid represented by formula 1 herein, and at least one phosphorus-containing compound represented by formulas 2 to 4 herein, wherein the OD value of the filter lens for the incident light wavelength of 930 nm to 950 nm is greater than 4. The present disclosure enables a filter lens to have the function of filtering out near-infrared instead of using a traditional filter component and thus the size of the assembled optical lens module is reduced. The filter lens can further filter out light having other specific wavelengths, and thereby the number of lenses in the assembled optical lens module is reduced.Type: ApplicationFiled: June 14, 2024Publication date: December 19, 2024Applicant: PLATINUM OPTICS TECHNOLOGY INC.Inventors: Shih-Song Cheng, Bo-Xun Zhu, Jia-Cheng Chang, Kuan-Yu Chen, Hung-Han Duan, Shi-Lin Zhang, Chin-Lung Chen
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Publication number: 20240418910Abstract: Provided is a lens module with an integrated structure, including a first lens and a second lens, a first substrate and a second substrate, an optical bonding layer, a first absorption layer and a second absorption layer, wherein the first absorption layer includes a copper complex, which is formed from a copper compound, a phosphonic acid represented by formula 1 herein, and at least one phosphorus-containing compound represented by formulas 2 to 4 herein. Due to the integrated structure, the lens module can be reduced in size. The manufacturing process is simplified because no assembly process is required. The lens module of the present disclosure exhibits high transmittance for visible light and low transmittance for near-infrared, showing an excellent near-infrared cut-off effect. In addition, while the incident light irradiates the lens module at different angles, the transmittance curve only is slightly shifted.Type: ApplicationFiled: June 14, 2024Publication date: December 19, 2024Applicant: PLATINUM OPTICS TECHNOLOGY INC.Inventors: Shih-Song Cheng, Bo-Xun Zhu, Jia-Cheng Chang, Kuan-Yu Chen, Hung-Han Duan, Shi-Lin Zhang, Chin-Jung Hsu
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Publication number: 20240105106Abstract: Embodiments of the present application provide a pixel compensation circuit, a driving method thereof, and an electroluminescent display. The pixel compensation circuit includes a grayscale converter and a current generator, and the grayscale converter is configured to receive a first data voltage and a second data voltage, establish a compensation voltage in a first time period, and change the compensation voltage into the grayscale voltage in a second time period. The current generator is configured to pass a driving current to the electroluminescent element in response to the grayscale voltage so as to drive the electroluminescent element to emit light with a main grayscale or a sub-grayscale. In this way, the high bit depth can be achieved, the real grayscale of the pixel can be presented, the problem of grayscale confusion caused by a small data range can be solved, and the picture quality of the display can be improved.Type: ApplicationFiled: August 4, 2023Publication date: March 28, 2024Applicant: ULTRADISPLAY INC.Inventor: Shih-Song CHENG
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Publication number: 20240057381Abstract: Embodiments of the present disclosure provide a structure of pixel layout and an electroluminescent display, wherein there is at least one pixel unit including the structure of pixel layout in the electroluminescent display. The structure of pixel layout includes a high-voltage device area, a low-voltage device area, and a transition area. The first type of high-voltage transistor and the capacitor of the transition area share the second type of well contact, and the second type of low-voltage transistor in the low-voltage device area includes a first type of well contact coupled to an intermediate voltage terminal. With such configuration, the operating voltage of each device may be adjusted so that the pixel circuit can operate normally in a limited layout area of a subpixel, and the problem that the pixel density cannot be improved is solved.Type: ApplicationFiled: August 4, 2023Publication date: February 15, 2024Applicant: ULTRADISPLAY INC.Inventors: Shih-Song CHENG, Sen-Chuan HUNG
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Publication number: 20230419902Abstract: Embodiments of the present application provide a pixel circuit, a driving method thereof, and a display device. The pixel circuit includes a grayscale converter and a current generator, wherein the grayscale converter is configured to receive a first data voltage and a second data voltage and correspondingly generate a grayscale voltage. Meanwhile, the grayscale voltage is changed by a ramp voltage to correspondingly control the duration for passing through the driving current, so that the electroluminescent element may emit light with a grayscale corresponding to a main grayscale or a sub-grayscale. In this way, high bit depth can be achieved, real grayscale of the pixel can be presented, the problem of grayscale confusion caused by a small data range can be improved, and the picture quality of the display can be increased.Type: ApplicationFiled: June 28, 2023Publication date: December 28, 2023Applicant: ULTRADISPLAY INC.Inventor: Shih-Song CHENG
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Publication number: 20230343268Abstract: Embodiments of the present disclosure provide a pixel circuit and a backplane and a display device thereof. The pixel circuit is used for being provided on the backplane of the display device, and includes a data selecting circuit, a latch circuit, a driving circuit, and a switching circuit. The latch circuit is configured to control the data selecting circuit to switch between different data paths on a basis of time axis. The data selecting circuit is configured to provide corresponding grayscale signal, so that the driving circuit generates the corresponding light-emitting signal, and provides the same to the electroluminescent element via the switching circuit to drive the electroluminescent element to emit light with different grayscales. By switching between different data paths, a high bit depth can be achieved, and the real grayscale of pixels can be presented, the mixing problems of grayscales caused by small data ranges are improved and the display quality of the display device is increased.Type: ApplicationFiled: April 20, 2023Publication date: October 26, 2023Applicant: ULTRADISPLAY INC.Inventors: Shih-Song CHENG, Dsun-Chie TWU
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Publication number: 20230227669Abstract: Provided are an organometallic complex coating solution and a near-infrared absorption film, including an organometallic complex, a phosphorus-containing dispersant, and optical resin. The present disclosure greatly reduces the temperature and time of the film-forming process by formulating components of the organometallic complex coating solution.Type: ApplicationFiled: January 17, 2023Publication date: July 20, 2023Inventors: Feng-Ling WU, Shih-Song CHENG, Tang-Hao YANG, Tzu-Ling CHAO, Bo-Xun ZHU, Hsing-Hui LIN, Kuo-Chen LI, Chang-Jun LIN
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Publication number: 20200211668Abstract: A circuit includes: an input circuit stage arranged to receive an input pulse signal during a first phase; an output circuit stage coupled to the input circuit stage for generating an output pulse signal during a second phase following the first phase according to a first clock signal; and an auxiliary circuit stage coupled to the input circuit stage and the output circuit stage for keeping the output pulse signal on a predetermined voltage level during a third phase following the second phase according to a second clock signal different from the first clock signal.Type: ApplicationFiled: December 28, 2018Publication date: July 2, 2020Inventor: SHIH-SONG CHENG
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Publication number: 20200202783Abstract: A pixel compensation circuit is arranged for compensating the critical parameter associated with the electrical properties of the components in thin film transistors of an active matrix organic light emitting diode display or similar illumination systems to avoid uneven brightness resulted from the voltage drop effect. The pixel compensation circuit is defined in a sub-pixel area, wherein there are seven thin film transistors and one capacitor, and the circuit is operated by two control signals. In contrast, three control signals are required in the conventional technologies. The fewer control signals are required, which is benefit to the flexibility of the layout and design of specification.Type: ApplicationFiled: December 21, 2018Publication date: June 25, 2020Inventor: SHIH-SONG CHENG
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Patent number: 10600351Abstract: A semiconductor device includes a gate region, a source/drain region and an insulating layer between the gate region and the source/drain region. The source/drain region includes a first leg extending in a first direction, a second leg extending in parallel with the first leg, and a third leg connected between the first leg and the second leg.Type: GrantFiled: August 18, 2017Date of Patent: March 24, 2020Assignee: INT TECH CO., LTD.Inventor: Shih-Song Cheng
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Patent number: 10600492Abstract: The present invention discloses a high stability shift register with adjustable pulse width to be achieved by a circuit structure through purely N-type transistors or purely P-type transistors. The structure comprises eight thin film transistors and a capacitor, and uses the 8T1C structure as a repeating unit. The invention can obtain an output signal from an input signal, two DC signals and two AC signals. The AC signal is a two line-time frequency pulse wherein the pulse width is smaller or equal to the line-time. The output signal will shift a line-time on the time axis with the input signal, and as an input signal to the next shift register in sequence. Compared with the conventional technique, the invention reduces the amount of the components to obtain a high stability and adjustable pulse width shift register.Type: GrantFiled: October 2, 2017Date of Patent: March 24, 2020Assignee: INT TECH CO., LTD.Inventor: Shih-Song Cheng
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Patent number: 10535297Abstract: A display that includes circuit an irregular-shape active area, pixel units, first gate drivers, second gate drivers and a data driver is disclosed. The pixel units are arranged in rows and columns in the irregular-shape active area. Each of the first gate drivers is configured to scan a corresponding row of the pixel units. Each of the second gate drivers is configured to scan a corresponding column of the pixel units. The data driver is configured to provide data to a pixel unit selected by the first gate drivers and the second gate drivers.Type: GrantFiled: February 22, 2017Date of Patent: January 14, 2020Assignee: INT TECH CO., LTD.Inventor: Shih-Song Cheng
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Patent number: 10475371Abstract: A circuit includes an electroluminescent (EL) device, a transistor, a first capacitor and a second capacitor. The transistor includes a gate coupled to a first node and a first terminal coupled to a second node. The first capacitor is coupled between a supply voltage and the first node. The second capacitor is coupled between the first node and the second node. The first capacitor and the second capacitor are configured to establish a compensation voltage associated with a threshold voltage of the transistor at the gate of the transistor in response to a first control signal, and establish the compensation voltage at the first terminal of the transistor in response to a second control signal. The transistor is configured to pass a current through the EL device. Moreover, the current has a magnitude independent of the threshold voltage of the transistor.Type: GrantFiled: February 22, 2017Date of Patent: November 12, 2019Assignee: INT TECH CO., LTD.Inventor: Shih-Song Cheng
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Patent number: 10431142Abstract: A circuit includes an electroluminescent (EL) device, a transistor, a first capacitor and a second capacitor. The transistor, coupled between a supply voltage and the EL device, includes a gate coupled to a first node and a first terminal coupled to a second node. The first capacitor, coupled between the first node and the second node, is configured to reset the gate of the transistor to the supply voltage in response to a first control signal. The second capacitor, including a first end coupled to the second node and a second end to receive a second control signal, is configured to establish at the first terminal of the transistor a compensation voltage associated with a threshold voltage of the transistor in response to the second control signal. The transistor is configured to pass a current through the EL device. The current has a magnitude independent of the threshold voltage of the transistor.Type: GrantFiled: February 22, 2017Date of Patent: October 1, 2019Assignee: INT TECH CO., LTD.Inventor: Shih-Song Cheng
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Patent number: 10423286Abstract: A circuit for fingerprint detection is disclosed. The circuit includes a transistor and a capacitor. The transistor includes a gate configured to, in response to a touch event of an object, sense a capacitance associated with the object. The capacitor, coupled between a first node and a second node, is configured to establish a voltage across the first node and the second node in response to a first control signal, and establish a compensation voltage at the first node in response to a second control signal. The transistor is configured to flow a current therethrough in response to a third control signal. The current has a magnitude independent of the threshold voltage of the transistor due to the compensation voltage.Type: GrantFiled: March 9, 2018Date of Patent: September 24, 2019Assignee: INT TECH CO., LTD.Inventor: Shih-Song Cheng
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Publication number: 20190278395Abstract: A circuit for fingerprint detection is disclosed. The circuit includes a transistor and a capacitor. The transistor includes a gate configured to, in response to a touch event of an object, sense a capacitance associated with the object. The capacitor, coupled between a first node and a second node, is configured to establish a voltage across the first node and the second node in response to a first control signal, and establish a compensation voltage at the first node in response to a second control signal. The transistor is configured to flow a current therethrough in response to a third control signal. The current has a magnitude independent of the threshold voltage of the transistor due to the compensation voltage.Type: ApplicationFiled: March 9, 2018Publication date: September 12, 2019Inventor: SHIH-SONG CHENG
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Publication number: 20190280051Abstract: An electronic device includes a substrate, a display unit and a touch sensor unit. The substrate includes a first region and a second region, wherein the first region and the second region are separate from each other. The display unit, disposed at the first region of the substrate, includes an electroluminescent (EL) device that includes a first cathode electrode in a patterned cathode layer over an interconnection structure disposed between the substrate and the EL device. The touch sensor unit, disposed at the second region of the substrate, is configured to detect a touch event. The touch sensor unit includes a second cathode electrode in the patterned electrode layer, and a capacitor defined in the interconnection structure. The capacitor includes a conductive plate electrically coupled to the second cathode electrode.Type: ApplicationFiled: March 9, 2018Publication date: September 12, 2019Inventor: SHIH-SONG CHENG