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1.发明授权公开(公告)号：US12019470B2
公开(公告)日：2024-06-25
申请号：US18231725
申请日：2023-08-08
Applicant: Apple Inc.
Inventor： Christopher M. Pinciuc , Zhen Zhang
CPC classification number: G06F1/1607 , G01R33/0047 , G01R33/07 , G01R33/096 , H01F7/06 , H05K5/0017 , H05K5/0204
Abstract: An electronic device is disclosed. The electronic device includes a device magnet designed to magnetically couple with an accessory device magnet. The electronic device further includes a display assembly and a magnetic field sensor configured to detect the accessory device magnet, thereby providing an indication that the accessory device is covering the display assembly. The electronic device further includes a shunt assembly designed to reduce the magnitude of the magnetic field of the device magnet, as determined by the magnetic field sensor, while allowing the magnetic field from the accessory device to sufficiently reach the magnetic field sensor. As such, the magnetic field sensor can be placed near the device magnet without triggering the magnetic field sensor. The electronic device may further include a microphone. Communication between the microphone and an integrated circuit can cease based on the magnetic field sensor detecting the accessory device magnet.
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公开(公告)号：US20230409082A1
公开(公告)日：2023-12-21
申请号：US18184552
申请日：2023-03-15
Applicant: Apple Inc.
Inventor： Bulong Wu , Zhen Zhang , Paul S. Drzaic , Yong Sun , Izhar Z. Ahmed , Kuan H. Lu , Han-Chieh Chang , Mingjing Ha , Yung-Yu Hsu
CPC classification number: G06F1/1652 , G02B5/22 , H04M1/0269 , G06F1/1656 , G02B2207/123
Abstract: An electronic device may have a display overlapped by a display cover layer. Portions of the surface of the display and cover layer may have curved profiles. For example, a display cover layer may have transparent sidewall portions with curved surface profiles. The transparent sidewall portions of the display cover layer may include rounded corners having areas of compound curvature. A flexible display panel may be pressed over a mold to impart desired curvature (such as compound curvature) to the flexible display panel. To mitigate wrinkling in a flexible display panel molded to have compound curvature, a film may be included that absorbs force in the display panel. The film may have a coefficient of thermal expansion that is different than that of the display panel. Instead or in addition, the film may have portions with different Young's modulus magnitudes or different thickness magnitudes.
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公开(公告)号：US20230343914A1
公开(公告)日：2023-10-26
申请号：US18185237
申请日：2023-03-16
Applicant: Apple Inc.
Inventor： Han-Chieh Chang , Anshi Liang , Arnoldus A Barlian , Bayu A Thedjoisworo , Boris A Russ , Chun-Lan Wu , Ken Hsuan Liao , Marc J DeVincentis , Meng-Tse Chen , Nathan K Gupta , Paolo Sacchetto , Paul S Drzaic , Po-Jui Chen , Ying-Chih Wang , Yong Sun , Zhen Zhang , Ziyang Zhang
CPC classification number: H01L33/62 , H01L27/156 , H01L33/486
Abstract: Conductive traces may be conformally wrapped around the side of a display panel that includes an array of display pixels. The conductive traces may electrically connect contacts on an upper surface of the display panel to corresponding contacts on a flexible printed circuit that is attached to a lower surface of the display panel. The side-wrapped conductive traces may be interposed between first and second insulating layers. The flexible printed circuit may have a multi-step interface that is electrically connected to the side-wrapped conductive traces. A system-in-package including a display driver integrated circuit may be mounted to the flexible printed circuit. The system-in-package may include a plurality of redistribution layers that electrically connect contacts on the display driver integrated circuit to contacts on the flexible printed circuit.
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公开(公告)号：US11599145B2
公开(公告)日：2023-03-07
申请号：US17178556
申请日：2021-02-18
Applicant: Apple Inc.
Inventor： Mingjing Ha , Kuan H. Lu , Paul S. Drzaic , Yung-Yu Hsu , Yong Sun , Zhen Zhang , Bulong Wu , Marc J. DeVincentis , Paolo Sacchetto , Han-Chieh Chang , Anshi Liang
IPC: G06F1/16
Abstract: An electronic device display may have pixels formed from crystalline semiconductor light-emitting diode dies, organic light-emitting diodes, or other pixel structures. The pixels may be formed in a display panel having a single substrate or an array of display panel tiles. The display panel has inwardly facing display panel contacts that mate with corresponding outwardly facing interconnect substrate contacts on an interconnect substrate. The interconnect substrate may have areas with compound curvature that are overlapped by the display panel. To enhance flexibility of the interconnect substrate, the interconnect substrate may have flexibility enhancement openings and/or may be formed from a material with a low elastic modulus such as silicone or other elastomeric material.
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公开(公告)号：US11196011B2
公开(公告)日：2021-12-07
申请号：US15476812
申请日：2017-03-31
Applicant: Apple Inc.
Inventor： Zhen Zhang , Yi Tao , Paul S. Drzaic , Joshua G. Wurzel
IPC: H01L51/00 , H01L23/498 , H01L23/538 , H01L27/32 , H01L51/52
Abstract: A display may have an array of organic light-emitting diodes that form an active area on a flexible substrate. Metal traces may extend between the active area and an inactive area of the flexible substrate. Display driver circuitry such as a display driver integrated circuit may be coupled to the inactive area. The metal traces may extend across a bend region in the flexible substrate. The flexible substrate may be bent in the bend region. The flexible substrate may be made of a thin flexible material to reduce metal trace bending stress. A coating layer in the bend region may be provided with an enhanced elasticity to allow its thickness to be reduced. The flexible substrate may be bent on itself and secured within an electronic device without using a mandrel.
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Patent Agency Ranking
公开(公告)号：US10593291B2
公开(公告)日：2020-03-17
申请号：US14857321
申请日：2015-09-17
Applicant: Apple Inc.
Inventor： Zhang Jia , Amy M. Winkler , Christopher S. Erickson , Zhen Zhang , David W. Ritter
IPC: G09G5/02 , G09G5/06 , G09G3/34 , G01J3/50 , G01J3/02 , G01J3/52 , G01J3/10 , G01J3/46 , G01J3/51
Abstract: An electronic device may be provided with a color sensing ambient light sensor. The color sensing ambient light sensor may measure the color of ambient light. Control circuitry in the electronic device may use information from the color sensing ambient light sensor in adjusting a display in the electronic device or taking other action. The color sensing ambient light sensor may have light detectors with different spectral responses. A test system may be used to calibrate the color sensing light sensor. The test system may have a tunable light source with light-emitting diodes that are turned on in sequence while gathering measured responses from the detectors. Numerical optimization techniques may be used to produce final versions of the spectral responses for the light detectors from the measured responses and corresponding calibration data that is stored in the electronic device.
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公开(公告)号：US20170092884A1
公开(公告)日：2017-03-30
申请号：US15211714
申请日：2016-07-15
Applicant: Apple Inc.
Inventor： Zhen Zhang , Yifan Zhang , Paul S. Drzaic , Paul C. Kelley , James P. Landry
CPC classification number: H01L51/0097 , G06F1/1616 , G06F1/1652 , G06F3/0412 , G06F2203/04102 , H01L51/5253 , H01L51/5275
Abstract: An electronic device may have a hinge that allows the device to be flexed about a bend axis. A display may span the bend axis. To protect display elements such as pixel circuitry from excessive mechanical stress, the display may include one or more structural protective layers. A structural layer may be incorporated into the display stack as a supportive backing behind the pixel circuitry and/or as a protective cover over the pixel circuitry. The structural layer may include rigid portions and flexible portions. The flexible portions may contain flexible material that separates and adjoins adjacent rigid structures or that fills grooves between adjacent rigid portions. The rigid portions may be formed from thin sheets of glass or other transparent materials. The flexible material in the structural layer may be an elastomeric material having a refractive index that matches that of the glass sheets in the structural layer.
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公开(公告)号：US11308846B2
公开(公告)日：2022-04-19
申请号：US16818945
申请日：2020-03-13
Applicant: Apple Inc.
Inventor： Po-Chieh Hung , Zhen Zhang
Abstract: An electronic device may have a camera that captures images of objects that are illuminated by ambient light. Some ambient light sources may not render the colors of objects faithfully. To detect low quality ambient lighting conditions and to correct for these conditions, control circuitry in the electronic device gathers ambient light measurements from a color ambient light sensor. The measurements are used to produce an ambient light spectral power distribution. The ambient light spectral power distribution can be applied to a series of test color samples to produce responses. Responses can also be produced by applying a reference illuminant to the test color samples. These responses can then be processed to generate a color rendering index or other color rendering metric for the ambient light and can be used to create a color correction matrix to correct the color of the captured images.
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公开(公告)号：US11087670B2
公开(公告)日：2021-08-10
申请号：US15895248
申请日：2018-02-13
Applicant: Apple Inc.
Inventor： Prashant Mandlik , Bhadrinarayana Lalgudi Visweswaran , Izhar Z Ahmed , Zhen Zhang , Tsung-Ting Tsai , Ki Yeol Byun , Yu Cheng Chen , Sungki Lee , Mohammad Hajirostam , Sinan Alousi
Abstract: An electronic device may have a flexible display such as an organic light-emitting diode display. A strain sensing resistor may be formed on a bent tail portion of the flexible display to gather strain measurements. Resistance measurement circuitry in a display driver integrated circuit may make resistance measurements on the strain sensing resistor and a temperature compensation resistor to measure strain. A crack detection line may be formed from an elongated pair of traces that are coupled at their ends to form a loop. The crack detection line may run along a peripheral edge of the flexible display. Crack detection circuitry may monitor the resistance of the crack detection line to detect cracks. The crack detection circuitry may include switches that adjust the length of the crack detection line and thereby allow resistances to be measured for different segments of the line.
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公开(公告)号：US10181504B2
公开(公告)日：2019-01-15
申请号：US15148929
申请日：2016-05-06
Applicant: Apple Inc.
Inventor： Zhen Zhang , Paul S. Drzaic
Abstract: A display may have an array of organic light-emitting diodes that form an active area on a flexible substrate. Metal traces may extend between the active area and an inactive area of the flexible substrate. Display driver circuitry such as a display driver integrated circuit may be coupled to the inactive area. The metal traces may extend across a bent region in the flexible substrate. A coating layer in the bent region may serve as a neutral stress plane adjustment layer. Metal traces may have meandering shapes such as zigzag shapes to reduce stress when bending. Adjacent traces may be shorted together to provide redundancy. Multiple layers of traces may be provided. Inorganic passivation layer coatings on the metal traces may help protect the metal traces.
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