JP2019536244A - 支持ポスト及びキャビティ高さ監視を有するバックライトユニットを有するディスプレイ - Google Patents
支持ポスト及びキャビティ高さ監視を有するバックライトユニットを有するディスプレイ Download PDFInfo
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- JP2019536244A JP2019536244A JP2019528574A JP2019528574A JP2019536244A JP 2019536244 A JP2019536244 A JP 2019536244A JP 2019528574 A JP2019528574 A JP 2019528574A JP 2019528574 A JP2019528574 A JP 2019528574A JP 2019536244 A JP2019536244 A JP 2019536244A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
本発明は、概して、ディスプレイに関し、特にバックライト型ディスプレイに関する。
Claims (20)
- ディスプレイであって、
画像を表示するように構成された画素のアレイと、
前記画素のアレイのためのバックライト照明を生成するように構成されたバックライトであって、前記バックライトは、光源及びリフレクタを各々が含むセルの二次元アレイ、前記光源が搭載されたプリント回路、拡散体、並びに前記拡散体を支持するように構成された、散在している支持ポストを有し、前記支持ポストは白色ポリマー部分を含む、バックライトと、
を備えるディスプレイ。 - 前記支持ポストは透明ポリマー部分を含む、請求項1に記載のディスプレイ。
- 前記透明ポリマー部分の各々は、前記白色ポリマー部分のうちのそれぞれ1つの少なくとも一部を覆っている、請求項2に記載のディスプレイ。
- 前記透明ポリマー部分はテーパ状である、請求項2に記載のディスプレイ。
- 前記白色ポリマー部分は、前記透明ポリマー部分のうちのそれぞれ1つによって各々が覆われている丸みを帯びた先端を有する、請求項2に記載のディスプレイ。
- 前記白色ポリマー部分は円筒形である、請求項1に記載のディスプレイ。
- 前記支持ポストのうちのそれぞれ1つを前記プリント回路にそれぞれ取り付けるねじを更に備える、請求項1に記載のディスプレイ。
- エラストマーガスケットを更に備え、前記エラストマーガスケットのそれぞれ1つは、各ねじの少なくとも一部と前記プリント回路との間に挟まれている、請求項7に記載のディスプレイ。
- 前記支持ポストは、前記拡散体内に突出部で形成される、請求項1に記載のディスプレイ。
- 前記支持ポストの少なくとも一部は円錐形である、請求項1に記載のディスプレイ。
- 前記円錐形の支持ポストの前記拡散体における直径は、前記プリント回路における直径よりも小さい、請求項10に記載のディスプレイ。
- 前記拡散体と前記プリント回路との間のそれぞれ対応する間隔距離を測定する光学センサのアレイを前記プリント回路上に更に備える、請求項1に記載のディスプレイ。
- 前記支持ポストは、前記光学センサと共に前記プリント回路上に散在している、請求項12に記載のディスプレイ。
- 前記画素のアレイ全体にわたるバックライト強度変動について前記画像を補償する画素ゲインプロファイルを維持するように構成されたルックアップテーブルを有するディスプレイドライバ回路を更に備える、請求項12に記載のディスプレイ。
- 前記光学センサのアレイからの前記間隔距離の測定に応じて、前記ルックアップテーブル内の前記画素ゲインプロファイルを更新するように構成された制御回路を更に備える、請求項14に記載のディスプレイ。
- 前記光学センサはそれぞれ、発光ダイオード、及び前記拡散体で反射した前記発光ダイオードからの光を検出するように構成された光検出器を含む、請求項13に記載のディスプレイ。
- ディスプレイであって、
画像を表示するように構成された画素のアレイと、
前記画素のアレイのためのバックライト照明を生成するように構成されたバックライトであって、前記バックライトは、光源及びリフレクタを各々が含むセルの二次元アレイ、前記光源が搭載されたプリント回路、拡散体、並びに前記拡散体に接着剤で取り付けられ、前記拡散体を前記プリント回路から離すように構成された支持ポストのアレイを有する、バックライトと、
を備える、ディスプレイ。 - 前記支持ポストは、前記拡散体に隣接する透明ポリマー部分を含む、請求項17に記載のディスプレイ。
- 前記拡散体と前記プリント回路との間のそれぞれ対応する間隔距離を測定するように構成された光学センサを前記プリント回路上に更に備える、請求項18に記載のディスプレイ。
- ディスプレイであって、
画像を表示するように構成された画素のアレイと、
前記画素のアレイのためのバックライト照明を生成するように構成されたバックライトであって、前記バックライトは、光源及びリフレクタを各々が含むセルの二次元アレイ、前記光源が搭載されたプリント回路、並びに拡散体を有し、前記バックライトは、前記拡散体を前記プリント回路から一定距離だけ離すように構成された支持ポスト、及び前記プリント回路と前記拡散体との間のそれぞれ対応する距離を測定する光学センサを更に含む、バックライトと、
を備える、ディスプレイ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762501002P | 2017-05-03 | 2017-05-03 | |
US62/501,002 | 2017-05-03 | ||
US201715687374A | 2017-08-25 | 2017-08-25 | |
US15/687,374 | 2017-08-25 | ||
PCT/US2018/022935 WO2018203976A1 (en) | 2017-05-03 | 2018-03-16 | Displays with backlight units with support posts and cavity height monitoring |
Publications (2)
Publication Number | Publication Date |
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JP2019536244A true JP2019536244A (ja) | 2019-12-12 |
JP6772383B2 JP6772383B2 (ja) | 2020-10-21 |
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JP2019528574A Active JP6772383B2 (ja) | 2017-05-03 | 2018-03-16 | 支持ポスト及びキャビティ高さ監視を有するバックライトユニットを有するディスプレイ |
Country Status (7)
Country | Link |
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US (1) | US11294236B2 (ja) |
EP (2) | EP3529662A1 (ja) |
JP (1) | JP6772383B2 (ja) |
KR (2) | KR102236084B1 (ja) |
CN (3) | CN114035373A (ja) |
TW (1) | TWI686650B (ja) |
WO (1) | WO2018203976A1 (ja) |
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EP3529662A1 (en) * | 2017-05-03 | 2019-08-28 | Apple Inc. | Displays with backlight units with support posts and cavity height monitoring |
WO2019186675A1 (ja) * | 2018-03-27 | 2019-10-03 | Necディスプレイソリューションズ株式会社 | 画像表示装置及びその製造方法 |
US11442218B2 (en) * | 2019-02-15 | 2022-09-13 | Intematix Corporation | Color liquid crystal displays and display backlights |
TWI766274B (zh) * | 2020-05-11 | 2022-06-01 | 瑞軒科技股份有限公司 | 增亮支撐柱以及具有增亮支撐柱的背光模組 |
DE102022205083A1 (de) * | 2022-05-20 | 2023-11-23 | Continental Automotive Technologies GmbH | Anzeigevorrichtung und Fortbewegungsmittel |
CN115469481B (zh) * | 2022-09-15 | 2024-01-09 | 惠科股份有限公司 | 背光模组及其制备方法、显示模组及电子设备 |
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TWI686650B (zh) | 2020-03-01 |
CN108803137B (zh) | 2021-11-30 |
CN208721950U (zh) | 2019-04-09 |
CN114035373A (zh) | 2022-02-11 |
US20200292885A1 (en) | 2020-09-17 |
EP3978994B1 (en) | 2023-10-25 |
CN108803137A (zh) | 2018-11-13 |
KR20190093564A (ko) | 2019-08-09 |
US11294236B2 (en) | 2022-04-05 |
WO2018203976A1 (en) | 2018-11-08 |
TW201843512A (zh) | 2018-12-16 |
KR102186395B1 (ko) | 2020-12-03 |
KR102236084B1 (ko) | 2021-04-02 |
EP3978994A1 (en) | 2022-04-06 |
JP6772383B2 (ja) | 2020-10-21 |
KR20200136509A (ko) | 2020-12-07 |
EP3529662A1 (en) | 2019-08-28 |
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