WO2021098494A1 - Structure de guidage de lumière - Google Patents

Structure de guidage de lumière Download PDF

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Publication number
WO2021098494A1
WO2021098494A1 PCT/CN2020/125754 CN2020125754W WO2021098494A1 WO 2021098494 A1 WO2021098494 A1 WO 2021098494A1 CN 2020125754 W CN2020125754 W CN 2020125754W WO 2021098494 A1 WO2021098494 A1 WO 2021098494A1
Authority
WO
WIPO (PCT)
Prior art keywords
light guide
circuit board
light
flexible circuit
guide plate
Prior art date
Application number
PCT/CN2020/125754
Other languages
English (en)
Chinese (zh)
Inventor
严建斌
周艺端
林德斌
林顺龙
Original Assignee
宸美（厦门）光电有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宸美（厦门）光电有限公司 filed Critical 宸美（厦门）光电有限公司
Publication of WO2021098494A1 publication Critical patent/WO2021098494A1/fr

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Classifications

    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • 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
    • 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
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Definitions

  • the invention relates to a light guide structure.
  • the display panel has become a medium for transmitting information between the device and the user.
  • some display panels do not emit light by themselves, and usually require an external light source to clearly display the picture. Therefore, the light-emitting component is generally arranged on one side of the light guide plate. The light emitted by the light-emitting component is guided by the light guide plate to be evenly dispersed on the display surface of the display device.
  • the current waterproof treatment uses waterproof glue to seal the gaps to prevent external moisture from entering the light-emitting components.
  • the glue dispensing angle and processing difficulty it is difficult to observe the glue dispensing status, which reduces the process yield and the effect of waterproof treatment is not ideal. Therefore, a novel display panel is needed to solve the above-mentioned problems.
  • the purpose of the present invention is to provide a light guide structure including a flexible circuit board, a light guide plate, a gasket, a light emitting diode, a waterproof glue and a light reflecting layer.
  • the flexible circuit board includes a first side, a second side opposite to the first side, a third side, and a fourth side opposite to the third side.
  • the light guide plate is arranged on the flexible circuit board and extends beyond the first side of the flexible circuit board.
  • the gasket is arranged on the flexible circuit board on the same side as the light guide plate and extends along the second side.
  • the light emitting diode is arranged on the flexible circuit board and located between the light guide plate and the spacer.
  • the waterproof glue is arranged on the third side and the fourth side of the flexible circuit board, and the waterproof glue extends from the light guide plate to the gasket.
  • the light reflecting layer is arranged on the light guide plate, the light emitting diode and the gasket.
  • the light reflecting layer includes at least two openings, and each opening exposes the waterproof glue.
  • the light emitted by the light emitting diode is configured to directly illuminate the light guide plate.
  • the thickness of the spacer is the same as the thickness of the light emitting diode.
  • the flexible circuit board, the light guide plate, the gasket, the reflective layer and the waterproof glue constitute a closed space.
  • the light guide structure further includes an adhesive layer, and the flexible circuit board is bonded to the light guide plate through the adhesive layer.
  • a light guide structure which includes a flexible circuit board, a light guide plate, a light emitting diode, and a waterproof glue.
  • the light guide plate is arranged on the flexible circuit board and extends beyond the flexible circuit board.
  • the light emitting diode is arranged on the flexible circuit board on the same side as the light guide plate.
  • the waterproof glue completely covers the LED.
  • the waterproof glue is configured to convert the first color temperature of the light emitted by the light emitting diode into a second color temperature, and the second color temperature is different from the first color temperature.
  • the second color temperature is 5700K.
  • the light guide structure further includes an adhesive layer, and the flexible circuit board is bonded to the substrate through the adhesive layer.
  • the waterproof glue directly contacts the light guide plate.
  • FIG. 1 illustrates a top view of a light guide structure 100 according to some embodiments of the present invention.
  • FIG. 2 illustrates a schematic cross-sectional view of the light guide structure 100 along the line AA' according to some embodiments of the present invention.
  • FIG. 3 is a schematic cross-sectional view of the light guide structure 100 along the line BB' according to some embodiments of the present invention.
  • FIG. 4 illustrates a top view of a light guide structure 200 according to some embodiments of the present invention.
  • FIG. 5 illustrates a schematic cross-sectional view of the light guide structure 200 along the line CC' according to some embodiments of the present invention.
  • the following disclosure provides many different embodiments, or examples, to implement different features of the provided target.
  • the specific examples of components and arrangements described below are for simplifying the present disclosure. These are of course only examples, and their purpose is not to constitute a limitation.
  • the size of the device is not limited by the disclosed range or value, but may depend on the manufacturing process conditions and/or required characteristics of the device.
  • FIG. 1 illustrates a top view of a light guide structure 100 according to some embodiments of the present invention.
  • FIG. 2 illustrates a schematic cross-sectional view of the light guide structure 100 along the line AA' according to some embodiments of the present invention.
  • FIG. 3 is a schematic cross-sectional view of the light guide structure 100 along the line BB' according to some embodiments of the present invention.
  • the light guide structure 100 includes a flexible circuit board 110, a light guide plate 120, a light emitting diode 130, a spacer 140, a light reflecting layer 150 and a waterproof glue 160.
  • the light reflecting layer 150 is represented by a thicker dashed line.
  • the flexible circuit board 110 since part of the flexible circuit board 110 is located under the light guide plate 120, its position is indicated by a dotted line.
  • the flexible circuit board 110 includes a first side 111, a second side 112, a third side 113 and a fourth side 114.
  • the first side 111 is opposite to the second side 112
  • the third side 113 is opposite to the fourth side 114.
  • the third side 113 and the fourth side 114 are perpendicular to the first side 111 and the second side 112, respectively.
  • the light guide plate 120 is disposed on the flexible circuit board 110 and extends beyond the first side 111 of the flexible circuit board 110.
  • the material of the light guide plate 120 may be poly(methylmethacrylate) (PMMA), cycloolefin polymer (COP) or polycarbonate (PC).
  • the light guide structure 100 further includes an adhesive layer 170 disposed between the light guide plate 120 and the flexible circuit board 110.
  • the light guide plate 120 is bonded to the flexible circuit board 110 through the adhesive layer 170.
  • the adhesive layer 170 may be optically clear adhesive (OCA).
  • the spacer 140 is disposed on the second side 112 of the flexible circuit board 110. In some embodiments, the spacer 140 is aligned with the second side 112 of the flexible circuit board 110. In some embodiments, the material of the gasket 140 may be foam. The gasket 140 is used to isolate moisture and prevent external moisture from penetrating from the second side 112 of the flexible circuit board 110. In some embodiments, the gasket 140 has a back adhesive layer (not shown), and the back adhesive layer is disposed between the gasket 140 and the flexible circuit board 110. The gasket 140 is attached to the flexible circuit board 110 through the adhesive layer.
  • the light emitting diode 130 is disposed on the flexible circuit board 110, and the light emitting diode 130 is disposed between the light guide plate 120 and the spacer 140. It is worth noting that, in some embodiments, the light-emitting diode 130 does not contact the light guide plate 120 or the spacer 140. In some embodiments, the distance d1 between the light emitting diode 130 and the spacer 140 is about 50 ⁇ m to about 500 ⁇ m, for example, 100 ⁇ m, 200 ⁇ m, 300 ⁇ m, or 400 ⁇ m. In some embodiments, as shown in FIG. 1, the light guide structure 100 includes a plurality of light emitting diodes 130.
  • the waterproof glue 160 is disposed on the third side 113 and the fourth side 114 of the flexible circuit board 110, and the waterproof glue 160 extends from the light guide plate 120 to the spacer 140. Therefore, the waterproof glue 160 is used to prevent external moisture from penetrating into the light guide structure 100 from the third side 113 or the fourth side 114 of the flexible circuit board 110 to damage the light emitting diode 130.
  • the light-reflecting layer 150 is disposed on the light guide plate 120, the light emitting diode 130 and the spacer 140. It is worth noting that the reflective layer 150 includes at least two openings 155, and each opening 155 exposes the waterproof glue 160. In other words, the opening 155 of the reflective layer 150 is disposed above the waterproof glue 160. In some embodiments, the reflective layer 150 is a white tape. Therefore, after the light guide plate 120, the light emitting diode 130 and the spacer 140 are arranged on the flexible circuit board 110, the light reflecting layer 150 can be attached to the light guide plate 120, the light emitting diode 130 and the spacer 140.
  • the light reflecting layer 150 can block the light emitted by the light emitting diode 130 in the vertical direction, so as to prevent the light from leaking from the edge of the light guide plate 120.
  • the light-reflecting layer 150 may also have a function of reflecting light, and guide the light emitted by the light-emitting diode 130 to the light guide plate 120 to increase the use efficiency of the light emitted by the light-emitting diode 130.
  • the flexible circuit board 110, the light guide plate 120, the spacer 140, the reflective layer 150 and the waterproof glue 160 constitute a closed space 180.
  • the waterproof glue 160 is only arranged on the third side 113 and the fourth side 114 of the flexible circuit board 110, and will not flow between the light guide plate 120 and the LED 130 or the LED 130 and the gasket 140 between.
  • the thickness of the light emitting diode 130 is the same as the thickness of the spacer 140.
  • the thickness of the light emitting diode 130, the thickness of the spacer 140, and the thickness of the light guide plate 120 are substantially the same. Therefore, the reflective layer 150 can be completely attached to the light emitting diode 130 and the gasket 140, so that the reflective layer 150 has a better sealing performance.
  • the waterproof glue 160 needs to be injected from the third side 113 and the fourth side 114 of the flexible circuit board 110 to prevent moisture from flowing from the third side 113 and the fourth side 114.
  • the fourth side 114 penetrates.
  • the reflective layer 150 of the present invention includes at least two openings 155.
  • the glue can be dispensed directly through the openings 155. Therefore, there is no need to reverse the direction of the light guide structure 100 during the manufacturing process, and the glue can be directly dispensed from the top of the light reflective layer 150, which greatly reduces the difficulty of the manufacturing process.
  • the viscosity of the injected waterproof glue 160 is about 25 Pa ⁇ s-35 Pa ⁇ s, such as 28 Pa ⁇ s, 30 Pa ⁇ s, or 32 Pa ⁇ s. If the viscosity of the waterproof glue 160 is too small, the waterproof glue 160 will easily flow to the light-emitting surface of the LED 130 or between the LED 130 and the gasket 140. If the viscosity of the waterproof glue 160 is too large, it is not easy to seal the third side 113 and the fourth side 114 of the flexible circuit board 110, and therefore it is not easy to form a closed space 180.
  • the waterproof glue 160 is a room temperature curing type waterproof glue, and the waterproof glue 160 can be cured by standing for a period of time after dispensing.
  • the present invention also provides another light guide structure.
  • FIG. 4 illustrates a top view of a light guide structure 200 according to some embodiments of the present invention.
  • the light guide structure 200 includes a flexible circuit board 110, a light guide plate 120, a light emitting diode 130 and a waterproof glue 260. Since the waterproof glue 260 covers the light-emitting diode 130, in Figure 4, the position of the light-emitting diode 130 is indicated by a dotted line.
  • FIG. 5 illustrates a schematic cross-sectional view of the light guide structure 200 along the line CC' according to some embodiments of the present invention.
  • the light guide plate 120 is disposed on the flexible circuit board 110 and extends beyond the flexible circuit board 110.
  • the material of the light guide plate 120 may be poly(methylmethacrylate) (PMMA), cycloolefin polymer (COP) or polycarbonate (PC).
  • the light guide structure 200 further includes an adhesive layer 170 disposed between the light guide plate 120 and the flexible circuit board 110.
  • the light guide plate 120 is bonded to the flexible circuit board 110 through the adhesive layer 170.
  • the adhesive layer 170 may be optically clear adhesive (OCA).
  • the light emitting diode 130 is disposed on the flexible circuit board 110 on the same side as the light guide plate 120.
  • the light guide structure 200 includes a plurality of light emitting diodes 130.
  • the light-emitting diode 130 does not contact the light guide plate 120.
  • the waterproof glue 260 completely covers the light emitting diode 130. It should be noted that the waterproof glue 260 of the light guide structure 200 may be the same as or different from the waterproof glue 160 of the light guide structure 100. In some embodiments, the waterproof glue 260 is configured to convert the first color temperature of the light emitted by the light emitting diode 130 into a second color temperature, where the second color temperature is different from the first color temperature. In other words, the waterproof glue 260 can change the color of the light emitted by the light emitting diode 130 to a desired color. Therefore, the waterproof glue 260 can be selected from materials that match the color of the light emitted by the light-emitting diode 130. In some embodiments, the aforementioned second color temperature is 5700K. Similar to the waterproof glue 160, the waterproof glue 260 is used to prevent external moisture from damaging the LED 130.
  • the waterproof glue 260 completely covers the light-emitting diode 130 and does not require the configuration of gaskets. Therefore, the process steps can be reduced, and the effect of preventing water vapor from damaging the light-emitting diode 130 can be achieved.
  • the waterproof glue 260 matching the color of the light emitted by the light emitting diode 130 is selected, the selection of the light emitting diode 130 is more flexible. For example, blue light emitting diodes can be used with matching waterproof glue, so that the light emitted is the expected white light (5700K).
  • the present invention exemplarily provides different light guide structures, and suitable embodiments can be selected according to requirements.
  • a light guide structure with waterproof function can be fabricated using an easier manufacturing process.
  • the yield rate of the process is also improved, and the unit per hour per person is also improved.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Planar Illumination Modules (AREA)

Abstract

Structure de guidage de lumière (100) comprenant une carte de circuit imprimé souple (110), une plaque de guidage de lumière (120), un joint d'étanchéité (140), une diode électroluminescente (130), de la colle étanche à l'eau (160) et une couche réfléchissante (150). La carte de circuit imprimé flexible (110) comprend un premier bord latéral (111), un deuxième bord latéral (112) opposé au premier (111), un troisième bord latéral (113) et un quatrième bord latéral (114) opposé au troisième (113). La plaque de guidage de lumière (120) est conçue sur la carte de circuit imprimé flexible (110) et s'étend au-delà du premier bord latéral (111) de la carte de circuit imprimé flexible (120). Le joint d'étanchéité (140) est conçu, sur le même côté que la plaque de guidage de lumière (120), sur la carte de circuit imprimé flexible (110) et s'étend le long du deuxième bord latéral (112). La diode électroluminescente (130) est conçue sur la carte de circuit imprimé flexible (110) et est positionnée entre la plaque de guidage de lumière (120) et le joint d'étanchéité (140). La colle étanche à l'eau (160) est conçue sur les troisième (113) et quatrième bords latéraux (114) de la carte de circuit imprimé flexible (110) et la colle étanche à l'eau (160) s'étend jusqu'au joint d'étanchéité (140) en partant de la plaque de guidage de lumière (120). La couche réfléchissante (150) est disposée sur la plaque de guidage de lumière (120), la diode électroluminescente (130) et le joint d'étanchéité (140) ; la couche réfléchissante (150) comprend au moins deux ouvertures (155) et la colle étanche à l'eau (160) est exposée à l'extérieur de chaque ouverture (155), de telle sorte que de la colle peut être distribuée directement à travers les ouvertures (155).
PCT/CN2020/125754 2019-11-19 2020-11-02 Structure de guidage de lumière WO2021098494A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911130986.3 2019-11-19
CN201911130986.3A CN112904616A (zh) 2019-11-19 2019-11-19 导光结构

Publications (1)

Publication Number Publication Date
WO2021098494A1 true WO2021098494A1 (fr) 2021-05-27

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CN (1) CN112904616A (fr)
TW (2) TWM605926U (fr)
WO (1) WO2021098494A1 (fr)

Citations (9)

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JP2001067917A (ja) * 1999-08-25 2001-03-16 Matsushita Electronics Industry Corp 面発光装置
JP2008108750A (ja) * 2002-10-01 2008-05-08 Matsushita Electric Ind Co Ltd 線状光源装置
US20110164202A1 (en) * 2010-01-07 2011-07-07 Hitachi Displays, Ltd. Liquid crystal display device
CN202444006U (zh) * 2012-03-09 2012-09-19 纮华电子科技（上海）有限公司 条状发光二极管模块的封装结构
CN103672575A (zh) * 2012-09-12 2014-03-26 友达光电股份有限公司 背光模组
CN107620880A (zh) * 2017-10-31 2018-01-23 武汉天马微电子有限公司 背光模组及显示装置
CN110361807A (zh) * 2019-07-05 2019-10-22 Oppo（重庆）智能科技有限公司 电子设备、背光模组及背光模组的制备方法
CN110444109A (zh) * 2019-07-26 2019-11-12 Oppo（重庆）智能科技有限公司 一种显示屏组件及显示设备
CN211123557U (zh) * 2019-11-19 2020-07-28 宸美（厦门）光电有限公司 导光结构

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Publication number Priority date Publication date Assignee Title
JP4911983B2 (ja) * 2006-02-08 2012-04-04 株式会社 日立ディスプレイズ 表示装置
TW201500815A (zh) * 2013-06-17 2015-01-01 Primax Electronics Ltd 背光模組
TWI631297B (zh) * 2017-08-15 2018-08-01 元太科技工業股份有限公司 防水發光模組及顯示裝置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001067917A (ja) * 1999-08-25 2001-03-16 Matsushita Electronics Industry Corp 面発光装置
JP2008108750A (ja) * 2002-10-01 2008-05-08 Matsushita Electric Ind Co Ltd 線状光源装置
US20110164202A1 (en) * 2010-01-07 2011-07-07 Hitachi Displays, Ltd. Liquid crystal display device
CN202444006U (zh) * 2012-03-09 2012-09-19 纮华电子科技（上海）有限公司 条状发光二极管模块的封装结构
CN103672575A (zh) * 2012-09-12 2014-03-26 友达光电股份有限公司 背光模组
CN107620880A (zh) * 2017-10-31 2018-01-23 武汉天马微电子有限公司 背光模组及显示装置
CN110361807A (zh) * 2019-07-05 2019-10-22 Oppo（重庆）智能科技有限公司 电子设备、背光模组及背光模组的制备方法
CN110444109A (zh) * 2019-07-26 2019-11-12 Oppo（重庆）智能科技有限公司 一种显示屏组件及显示设备
CN211123557U (zh) * 2019-11-19 2020-07-28 宸美（厦门）光电有限公司 导光结构

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CN112904616A (zh) 2021-06-04
TWI735155B (zh) 2021-08-01
TW202121029A (zh) 2021-06-01

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