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Patent Agency Ranking
1.发明申请公开(公告)号：US20210098546A1
公开(公告)日：2021-04-01
申请号：US17044367
申请日：2019-04-09
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Nicholas C. Erickson , David G. Freier , Robert L. Brott , Bing Hao , David A. Rosen , Stephen M. Menke , Bert T. Chien , Song Taek Lee , Encai Hao , Zhaohui Yang , Albert I. Everaerts , Yongshang Lu , William Blake Kolb , Keith R. Bruesewitz , Adam D. Haag , Sun-Yong Park , Timothy J. Nevitt (Deceased) , Brianna N. Wheeler , Jody L. Peterson , Gilles J. Benoit
IPC: H01L27/32
Abstract: An OLED display including a display panel and a color-correction component is described. A plurality of comparative display panels otherwise equivalent to the display panel but having one or more different optical thicknesses of OLED layers have a maximum white-point color shift from 0 to 45 degrees of WPCSC45 and a white-point axial efficiency of WPAEC. The plurality of comparative display panels defines a performance curve along a boundary of performance points. The OLED display and the display panel have respective maximum white-point color shifts from 0 to 45 degrees of WPCS45 and WPCS045 and respective white-point axial efficiencies of WPAE and WPAE0. WPCS045 and WPAE0 defines a performance point of the display panel to the right of the performance curve and WPCS45 and WPAE defines a performance point of the OLED display above or to the left of the performance curve. Methods of making the OLED display are described.
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公开(公告)号：US11726245B2
公开(公告)日：2023-08-15
申请号：US16647707
申请日：2018-10-02
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Sun-Yong Park , Timothy J. Nevitt , Brianna N. Wheeler , Jody L. Peterson
CPC classification number: G02B5/3041 , G02B1/08 , G02B5/305 , G02B5/3083 , H10K50/868 , G02B5/0841
Abstract: A partial reflector including a plurality of optical repeat units where each optical repeat unit includes first and second polymer layers is described. A refractive index difference between the first and second polymer layers along a first axis may be Any, a refractive index difference between the first and second polymer layers along an orthogonal second axis may be Δƒχ, where |Δηχ| is at least 0.1 and |Δny| is no more than 0.04. The optical repeat units may have a smallest optical thickness T1 proximate a first side of the optical stack and a largest optical thickness T2 proximate an opposite second side of the optical stack, where (T2−T1)/(T2+T1) is in a range of 0.05 to 0.2, and T2 is at least 350 nm and no more 1250 nm. The partial reflector may be used in a circular polarizer for correcting color shift with view angle in a display.
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公开(公告)号：US12007593B2
公开(公告)日：2024-06-11
申请号：US17044367
申请日：2019-04-09
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Nicholas C. Erickson , David G. Freier , Robert L Brott , Bing Hao , David A. Rosen , Stephen M. Menke , Bert T. Chien , Seong Taek Lee , Encai Hao , Zhaohui Yang , Albert I. Everaerts , Yongshang Lu , William Blake Kolb , Keith R. Bruesewitz , Adam D. Haag , Sun-Yong Park , Timothy J. Nevitt , Brianna N. Wheeler , Jody L. Peterson , Gilles J. Benoit
Abstract: An OLED display including a display panel and a color-correction component is described. A plurality of comparative display panels otherwise equivalent to the display panel but having one or more different optical thicknesses of OLED layers have a maximum white-point color shift from 0 to 45 degrees of WPCSC45 and a white-point axial efficiency of WPAEC. The plurality of comparative display panels defines a performance curve along a boundary of performance points. The OLED display and the display panel have respective maximum white-point color shifts from 0 to 45 degrees of WPCS45 and WPCS045 and respective white-point axial efficiencies of WPAE and WPAE0. WPCS045 and WPAE0 defines a performance point of the display panel to the right of the performance curve and WPCS45 and WPAE defines a performance point of the OLED display above or to the left of the performance curve. Methods of making the OLED display are described.
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4.发明公开公开(公告)号：US20240280737A1
公开(公告)日：2024-08-22
申请号：US18650643
申请日：2024-04-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Nicholas C. Erickson , David G. Freier , Robert L. Brott , Bing Hao , David A. Rosen , Stephen M. Menke , Bert T. Chien , Seong Taek Lee , Encai Hao , Zhaohui Yang , Albert I. Everaerts , Yongshang Lu , William Blake Kolb , Keith R. Bruesewitz , Adam D. Haag , Sun-Yong Park , Timothy J. Nevitt (Deceased) , Brianna N. Wheeler , Jody L. Peterson , Gilles J. Benoit
Abstract: An organic light emitting diode (OLED) display includes a pixelated OLED display panel and a color-correction component disposed on the pixelated OLED display panel. The pixelated OLED display panel has a ratio of blue-to-red color mixing weights at 30 degrees of β030, and a ratio of blue-to-red color mixing weights at 45 degrees of β045, where β045≥β030≥1.05 and 1.5≥β045≥1.1. The color-correction component is configured such that a ratio of blue-to-red color mixing weights at 45 degrees of the display is β45 and a ratio of blue-to-red color mixing weights at 30 degrees of the display is β30, where β045−0.1≥β45≥2.1−β045 and β030−0.05≥β30≥2.05−β030. Methods of making OLED displays are described.
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公开(公告)号：US20230333297A1
公开(公告)日：2023-10-19
申请号：US18337722
申请日：2023-06-20
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Sun-Yong Park , Timothy J. Nevitt , Brianna N. Wheeler , Jody L. Peterson
CPC classification number: G02B5/3041 , G02B1/08 , G02B5/3083 , G02B5/305 , H10K50/868 , G02B5/0841
Abstract: A partial reflector including a plurality of optical repeat units where each optical repeat unit includes first and second polymer layers is described. A refractive index difference between the first and second polymer layers along a first axis may be Δny, a refractive index difference between the first and second polymer layers along an orthogonal second axis may be Δnx, where |Δnx| is at least 0.1 and |Δny| is no more than 0.04. The optical repeat units may have a smallest optical thickness T1 proximate a first side of the optical stack and a largest optical thickness T2 proximate an opposite second side of the optical stack, where (T2−T1)/(T2+T1) can be a range of 0.05 to 0.2, and T2 can be at least 350 nm and no more 1250 nm. The partial reflector may be used in a circular polarizer for correcting color shift with view angle in a display.
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