Patents by Inventor Chien-Ming Ko
Chien-Ming Ko 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: 20230406646Abstract: A system and a method for picking and placing objects, includes capturing at least one first image of the object at a first time point and at least one second image at a second time point; identifying the object in the first image and the second image, obtaining first position information, second position information, and object attribute of the object; based on the first position information, the second position information, the first time point, and the second time point, calculating a moving speed of the object; based on the object attribute, determining whether the object is a target object; if so, calculating a target position and a target time point of the target object based on the first and second position information and the moving speed; controlling a target machine arm to move at or to the target position at the target time point to pick the target object.Type: ApplicationFiled: December 29, 2022Publication date: December 21, 2023Inventors: TUNG-CHUN HSIEH, CHUNG-WEI WU, HSIN-KO YU, CHIH-WEI LI, SUNG-CHUAN LEE, TZE-CHIN LO, CHIEN-MING KO
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Publication number: 20230405831Abstract: A system and a method for picking and placing objects, includes capturing at least one first image of at least one object at a first time point and at least one second image at a second time point; identifying the object in the first image and the second image; and obtaining first position information and second position information of the object; based on the first position information, the second position information, the first time point, and the second time point, calculating a moving speed of the object; calculating a target position and a target time point of the object based on the first position information, the second position information, and the moving speed; and controlling the machine arm to move at or to the target position at the target time point to pick the object.Type: ApplicationFiled: December 29, 2022Publication date: December 21, 2023Inventors: TUNG-CHUN HSIEH, CHUNG-WEI WU, CHIH-WEI LI, HSIN-KO YU, SUNG-CHUAN LEE, TZE-CHIN LO, CHIEN-MING KO
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Publication number: 20230007960Abstract: A method for identifying objects by shape in close proximity to other objects of different shapes obtains point cloud information of multiple objects. The objects are arranged in at least two trays and the trays are stacked. A depth image of the objects is obtained according to the point cloud information, and the depth image of the objects is separated and layered to obtain a layer information of all the objects. An object identification system also disclosed. Three-dimensional machine vision is utilized in identifying the objects, improving the accuracy of object identification, and enabling the mechanical arm to accurately grasp the required object.Type: ApplicationFiled: July 8, 2022Publication date: January 12, 2023Inventors: TUNG-CHUN HSIEH, CHUNG-WEI WU, SUNG-CHUAN LEE, CHIEN-MING KO, TZE-CHIN LO, CHIH-WEI LI, HSIN-KO YU
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Patent number: 9182277Abstract: A light sensing apparatus includes a light sensing module, a signal conversion module and a processing module. The light sensing module is configured to output a first and second sense signals according to a light intensity emitting thereon. The signal conversion module is electrically coupled to the light sensing module and configured to receive the first and second sense signals and output a sense value according to a relative difference between the first and second sense signals, The comparison module is electrically coupled to the signal conversion module and configured to adjust a light sensing characteristic of the light sensing module according to the sense value so as to adjust a light sensing characteristic of the light sensing module. An adjustment method for a light sensing apparatus is also provided.Type: GrantFiled: December 14, 2012Date of Patent: November 10, 2015Assignee: AU OPTRONICS CORP.Inventors: Chun-Lung Hung, Chang-Hung Yang, Chun-Wei Yang, Chien-Ming Ko
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Publication number: 20150250035Abstract: An exemplary light-emitting diode (LED) driving circuit includes a LED driving IC, at least a LED string and at least a resistor. The LED string each is electrically coupled between a power source voltage and a control terminal of the LED driving IC and whereby a driving current of the LED string is subjected to the control of the LED driving IC. The resistor each is electrically coupled to between the control terminal and a predetermined potential. Moreover, a LED driving method also is provided.Type: ApplicationFiled: May 15, 2015Publication date: September 3, 2015Inventors: CHIEN-MING KO, YUEH-HAN LI, SHENG-KAI HSU, HUNG-CHING LEE
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Publication number: 20140111467Abstract: An in-cell touch display panel includes a plurality of first sensing electrodes, a pixel matrix, a plurality of second sensing electrodes, a touch control unit, and a display driving unit. The plurality of first sensing electrodes are for generating touch sensing signals according to touch scanning signals. The plurality of second sensing electrodes are utilized as common voltage electrodes of pixels of the pixel matrix. Wherein when the display driving unit drives pixels of a first block of the pixel matrix to display image, the display driving unit outputs a common voltage to the pixels of the first block via the second sensing electrodes corresponding to the first block, and outputs the touch scanning signals via the second sensing electrodes corresponding to a second block of the pixel matrix; and wherein the display driving unit switches a frequency of the touch scanning signals according to magnitude of a noise.Type: ApplicationFiled: June 6, 2013Publication date: April 24, 2014Inventors: Yu-Ta Chen, Chao-Chen Wang, Chien-Ming Ko, Iru Wang, Tung-Tsun Lin, Yuan Mao
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Patent number: 8519939Abstract: An LCD and a backlight module driving device and a method thereof are provided. The method is adapted to drive at least one backlight unit in a backlight module. The backlight unit is used for supplying a surface light source to an Nth area pixel of the LCD panel, where N is a positive integer. The method includes the following steps of first calculating a time of the Nth area pixel under a stable state in a frame period and then providing a control signal to drive the backlight unit when the Nth area pixel is under the stable state in the frame period.Type: GrantFiled: June 9, 2008Date of Patent: August 27, 2013Assignee: Au Optronics CorporationInventors: Yueh-Han Li, Po-Tang Hsu, Chien-Ming Ko, Ching-Chou Yu
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Patent number: 8305012Abstract: A light-emitting adjustment method and a display device are provided. The display device includes a voltage source, a light-emitting diode array, a pulse width modulator, a current sensor and a light-emitting adjuster. The voltage source provides an operating voltage. The pulse width modulator provides operating pulse signals to multiple light-emitting diodes arranged in column in order. The current sensor senses a plurality of overall current values of the light-emitting diodes at different timings during the light-emitting diodes are sequentially enabled. The light-emitting adjuster computes an operating current value of each of the light-emitting diodes according to the overall current values and performs a compensation operation based on the operating current value to obtain and output a compensation signal.Type: GrantFiled: May 25, 2010Date of Patent: November 6, 2012Assignee: Au Optronics Corp.Inventors: Chien-Ming Ko, Hung-Ching Lee, Chih-Fu Hsu, Yueh-Han Li
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Patent number: 8233118Abstract: A color liquid-crystal display panel has a red filter segment in each red sub-pixel and a blue filter segment in each blue sub-pixel, but no green filter segment in green sub-pixels. The liquid-crystal display panel has a backlight source for illuminating, and the backlight source has green light producing components alternately switched on and off in consecutive frames. The backlight source also has white or red/blue, or purple light emitting components alternately switched on and off in consecutive frames in complementary phase to the green light producing components. When the liquid crystal layer segments associated with all the three color sub-pixels are operated in a light non-blocking state, only the white or red/blue light producing components are turned on, and when the liquid crystal layer segments associated with the red sub-pixels are operated in a light blocking state, only the green light producing components are turned on.Type: GrantFiled: August 12, 2008Date of Patent: July 31, 2012Assignee: AU Optronics CorporationInventors: Yueh-Han Li, Po-Tang Hsu, Chih-Fu Hsu, Chien-Ming Ko, Chun-Liang Lin
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Patent number: 8084959Abstract: A light emitting diode (LED) backlight module, a driving apparatus and a driving method thereof are provided. The driving apparatus is adapted to drive at least one LED of at least one lighting unit within the LED backlight module. The driving apparatus includes a latch unit and a switch unit. The latch unit is used for receiving a control backlight data and latching the control backlight data during a frame period according to a trigger signal, so as to output a control signal. The switch unit is coupled to the latch unit and the LED for receiving the control signal to determine whether the LED emits or not.Type: GrantFiled: January 21, 2009Date of Patent: December 27, 2011Assignee: Au Optronics CorporationInventors: Ching-Chou Yu, Chien-Ming Ko, Yueh-Han Li, Hung-Ching Lee
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Publication number: 20110156603Abstract: An exemplary light-emitting diode (LED) driving circuit includes a LED driving IC, at least a LED string and at least a resistor. The LED string each is electrically coupled between a power source voltage and a control terminal of the LED driving IC and whereby a driving current of the LED string is subjected to the control of the LED driving IC. The resistor each is electrically coupled to between the control terminal and a predetermined potential. Moreover, a LED driving method also is provided.Type: ApplicationFiled: November 23, 2010Publication date: June 30, 2011Applicant: AU OPTRONICS CORP.Inventors: Chien-Ming KO, Yueh-Han Li, Sheng-Kai Hsu, Hung-Ching Lee
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Patent number: 7956375Abstract: A light emitting diode structure and a light emitting diode structure forming method are provided. The light emitting diode structure includes a base, a diode chip, and a package lens. The diode chip is mounted on the base. The package lens covers the diode chip. The surface of the package lens includes a plurality of dot structures. The steps of the method include mounting a light-emitting diode chip on a base, assembling a package lens to cover the light emitting diodes chip, and forming a plurality of dot structures on the surface of the package lens.Type: GrantFiled: June 16, 2009Date of Patent: June 7, 2011Assignee: AU Optronics CorporationInventors: Yueh-Han Li, Po-Tang Hsu, Chien-Ming Ko, Hung-Ching Lee, Chih-Wei Lin
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Publication number: 20110084621Abstract: A light-emitting adjustment method and a display device are provided. The display device includes a voltage source, a light-emitting diode array, a pulse width modulator, a current sensor and a light-emitting adjuster. The voltage source provides an operating voltage. The pulse width modulator provides operating pulse signals to multiple light-emitting diodes arranged in column in order. The current sensor senses a plurality of overall current values of the light-emitting diodes at different timings during the light-emitting diodes are sequentially enabled. The light-emitting adjuster computes an operating current value of each of the light-emitting diodes according to the overall current values and performs a compensation operation based on the operating current value to obtain and output a compensation signal.Type: ApplicationFiled: May 25, 2010Publication date: April 14, 2011Inventors: Chien-Ming KO, Hung-Ching Lee, Chih-Fu Hsu, Yueh-Han Li
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Publication number: 20100141154Abstract: A backlight module includes a plurality of light sources, a photo-sensor, and a control circuit. Each light source of the plurality of light sources can operate independently. The photo-sensor detects the luminance of the plurality of light sources to generate a luminance signal. The control circuit drives the plurality of light sources according to the luminance signal. When the backlight module is used in a scanning backlight LCD, the control circuit turns off parts of the plurality of light sources according to a display signal. When all of the plurality of light sources is turned on, the control circuit obtains the luminance signal so as to adjust the luminance of the backlight module according to the luminance signal.Type: ApplicationFiled: February 27, 2009Publication date: June 10, 2010Inventors: Ching-Hung Wang, Chien-Ming Ko, Fu-Cheng Wei, Chih-Fu Hsu
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Publication number: 20100134039Abstract: A light emitting diode (LED) backlight module, a driving apparatus and a driving method thereof are provided. The driving apparatus is adapted to drive at least one LED of at least one lighting unit within the LED backlight module. The driving apparatus includes a latch unit and a switch unit. The latch unit is used for receiving a control backlight data and latching the control backlight data during a frame period according to a trigger signal, so as to output a control signal. The switch unit is coupled to the latch unit and the LED for receiving the control signal to determine whether the LED emits or not.Type: ApplicationFiled: January 21, 2009Publication date: June 3, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Ching-Chou Yu, Chien-Ming Ko, Yueh-Han Li, Hung-Ching Lee
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Publication number: 20100128195Abstract: The present invention is a backlight module including a housing, a reflective sheet, and a light source module. The housing has an inner side surface, an outer side surface, and a plurality of first openings. The reflective sheet is disposed on the inner side surface and has a plurality of second openings corresponding to the first openings. The light source module has a plurality of light sources, wherein the light source module is disposed on the outer side surface, and each of the light sources may penetrate each of the first openings and the second openings. When the light sources are dimmed or have other problems, the light source module can be taken apart from the housing to repair them easily.Type: ApplicationFiled: November 17, 2009Publication date: May 27, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Yueh-Han Li, Po-Tang Hsu, Chih-Fu Hsu, Chien-Ming Ko
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Patent number: 7719208Abstract: When temperature variation occurs to the LED dice of an LED lighting system, a feedback control mechanism is applied to compensate temperature-related wavelength shift for precisely controlling the light generated by the LED dice based on the voltage drop variation or current variation of the LED dice. The color control method for the LED lighting system includes a preliminary detection phase and a feedback control phase. In the preliminary detection phase, voltage drop signals or current signals together with corresponding color and hue signals of each LED module of the LED lighting system are detected. In the feedback control phase, signal compensating processes are performed to precisely control the light generated by the LED lighting system based on the voltage drop variation or the current variation in conjunction with the corresponding color and hue signals generated in the preliminary detection phase.Type: GrantFiled: January 31, 2008Date of Patent: May 18, 2010Assignee: AU Optronics Corp.Inventors: Yueh-Han Li, Po-Tang Hsu, Chien-Ming Ko, Hung-Ching Li
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Publication number: 20100044732Abstract: A light emitting diode structure and a light emitting diode structure forming method are provided. The light emitting diode structure includes a base, a diode chip, and a package lens. The diode chip is mounted on the base. The package lens covers the diode chip. The surface of the package lens includes a plurality of dot structures. The steps of the method include mounting a light-emitting diode chip on a base, assembling a package lens to cover the light emitting diodes chip, and forming a plurality of dot structures on the surface of the package lens.Type: ApplicationFiled: June 16, 2009Publication date: February 25, 2010Applicant: AU Optronics CorporationInventors: Yueh-Han Li, Po-Tang Hsu, Chien-Ming Ko, Hung-Ching Lee, Chih-Wei Lin
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Publication number: 20100039587Abstract: A color liquid-crystal display panel has a red filter segment in each red sub-pixel and a blue filter segment in each blue sub-pixel, but no green filter segment in green sub-pixels. The liquid-crystal display panel has a backlight source for illuminating, and the backlight source has green light producing components alternately switched on and off in consecutive frames. The backlight source also has white or red/blue, or purple light emitting components alternately switched on and off in consecutive frames in complementary phase to the green light producing components. When the liquid crystal layer segments associated with all the three color sub-pixels are operated in a light non-blocking state, only the white or red/blue light producing components are turned on, and when the liquid crystal layer segments associated with the red sub-pixels are operated in a light blocking state, only the green light producing components are turned on.Type: ApplicationFiled: August 12, 2008Publication date: February 18, 2010Inventors: Yueh-Han Li, Po-Tang Hsu, Chih-Fu Hsu, Chien-Ming Ko, Chun-Liang Lin
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Publication number: 20090262064Abstract: An LCD and a backlight module driving device and a method thereof are provided. The method is adapted to drive at least one backlight unit in a backlight module. The backlight unit is used for supplying a surface light source to an Nth area pixel of the LCD panel, where N is a positive integer. The method includes the following steps of first calculating a time of the Nth area pixel under a stable state in a frame period and then providing a control signal to drive the backlight unit when the Nth area pixel is under the stable state in the frame period.Type: ApplicationFiled: June 9, 2008Publication date: October 22, 2009Applicant: AU OPTRONICS CORPORATIONInventors: Yueh-Han Li, Po-Tang Hsu, Chien-Ming Ko, Ching-Chou Yu