JPWO2019201172A5 - - Google Patents
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- JPWO2019201172A5 JPWO2019201172A5 JP2019556856A JP2019556856A JPWO2019201172A5 JP WO2019201172 A5 JPWO2019201172 A5 JP WO2019201172A5 JP 2019556856 A JP2019556856 A JP 2019556856A JP 2019556856 A JP2019556856 A JP 2019556856A JP WO2019201172 A5 JPWO2019201172 A5 JP WO2019201172A5
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- light
- modification region
- backlight
- light emitting
- region
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Claims (17)
前記少なくとも1つの光修飾領域は、複数の第1の光修飾領域と、少なくとも1つの地上光修飾領域と、少なくとも1つの第3の光修飾領域とを含み、
第2の光修飾領域は前記第1の光修飾領域に隣接し、隣接する2列の発光素子の間に配置され、
前記背面基板は、底板と、前記底板の縁に設けられた側壁とを有し、前記第3の光修飾領域は、前記底板の、前記側壁に隣接する反射シート上に配置され、かつ第1の光修飾領域に隣接し、
前記第1の光修飾領域のそれぞれ、および少なくとも1つの前記第3の光修飾領域は、複数行および複数列に配置された複数の光変換素子を有し、同一の前記第3の光修飾領域の各光変換素子の大きさは当該前記光変換素子と前記発光素子との間の距離と正の相関である、バックライト光源。 A back surface substrate having an accommodation space formed on the inner surface side, a reflection sheet provided on the inner surface of the back surface substrate, and a plurality of light emitting elements are provided, and at least one light modification region provided on the reflection sheet is further expanded. It has at least one light conversion element capable of optically processing the light emitted from the light emitting element in the light modification region.
The at least one light modification region includes a plurality of first light modification regions, at least one ground light modification region, and at least one third light modification region.
The second light modification region is adjacent to the first light modification region and is arranged between two adjacent rows of light emitting elements.
The back surface substrate has a bottom plate and a side wall provided on the edge of the bottom plate, and the third light modification region is arranged on a reflective sheet of the bottom plate adjacent to the side wall, and the first. Adjacent to the light modification area of
Each of the first light-modified regions and at least one of the third light-modified regions has a plurality of optical conversion elements arranged in a plurality of rows and a plurality of columns, and the same third light-modified region. The size of each light conversion element is a positive correlation with the distance between the light conversion element and the light emitting element .
前記反射シートへの前記第4の光修飾領域の正投影は前記反射シートへの前記レンズ素子の正投影内にある、請求項10に記載のバックライト光源。 The light emitting element has a lens element and a light emitting diode, the light emitting diode is arranged on the bottom plate, the lens element is arranged on the top of the light emitting diode, and the lens element and the reflection sheet on the bottom plate. There is a gap between them,
The backlight source according to claim 10 , wherein the orthogonal projection of the fourth light modification region onto the reflective sheet is within the orthogonal projection of the lens element onto the reflective sheet.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820534670.5 | 2018-04-16 | ||
CN201820534670.5U CN208041696U (en) | 2018-04-16 | 2018-04-16 | Backlight, backlight module and display device |
PCT/CN2019/082467 WO2019201172A1 (en) | 2018-04-16 | 2019-04-12 | Backlight source, backlight module and display device |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021518031A JP2021518031A (en) | 2021-07-29 |
JPWO2019201172A5 true JPWO2019201172A5 (en) | 2022-04-18 |
JP7303114B2 JP7303114B2 (en) | 2023-07-04 |
Family
ID=63945025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019556856A Active JP7303114B2 (en) | 2018-04-16 | 2019-04-12 | backlight source, backlight module and display device |
Country Status (5)
Country | Link |
---|---|
US (1) | US10976600B2 (en) |
EP (1) | EP3783255B1 (en) |
JP (1) | JP7303114B2 (en) |
CN (1) | CN208041696U (en) |
WO (1) | WO2019201172A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN208041696U (en) | 2018-04-16 | 2018-11-02 | 京东方科技集团股份有限公司 | Backlight, backlight module and display device |
CN111352272A (en) * | 2018-12-21 | 2020-06-30 | 深圳Tcl新技术有限公司 | Liquid crystal display backlight module and display screen |
TWI671491B (en) * | 2019-03-06 | 2019-09-11 | 友達光電股份有限公司 | Back-light source assembly and back-light module |
US11333928B1 (en) | 2021-01-05 | 2022-05-17 | Samsung Electronics Co., Ltd. | Display apparatus comprising a reflective sheet having a plurality of first and second light conversion dots respectively disposed around a plurality of first and second holes |
CN115039023A (en) | 2021-01-05 | 2022-09-09 | 三星电子株式会社 | Display device |
JP2022152904A (en) | 2021-03-29 | 2022-10-12 | シャープディスプレイテクノロジー株式会社 | Luminaire and display device |
CN115917419A (en) * | 2021-06-25 | 2023-04-04 | 京东方科技集团股份有限公司 | Backlight module and display device |
CN115685619A (en) | 2021-07-28 | 2023-02-03 | 群创光电股份有限公司 | Backlight module and electronic device |
CN113791507B (en) * | 2021-09-23 | 2023-10-13 | 京东方科技集团股份有限公司 | Backlight module and display device |
CN115877606A (en) * | 2021-09-28 | 2023-03-31 | 苏州佳世达电通有限公司 | Display device |
CN116263548A (en) * | 2021-12-14 | 2023-06-16 | 苏州佳世达电通有限公司 | Backlight module for display |
TW202323954A (en) | 2021-12-14 | 2023-06-16 | 佳世達科技股份有限公司 | Backlight module for display and display |
CN115542608A (en) * | 2022-10-10 | 2022-12-30 | 河南省华锐光电产业有限公司 | Backlight module and display device |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2011088363A2 (en) * | 2010-01-15 | 2011-07-21 | Express Imaging Systems, Llc | Apparatus, method to change light source color temperature with reduced optical filtering losses |
CN102073090B (en) * | 2010-11-05 | 2012-08-22 | 深圳市华星光电技术有限公司 | Light guide plate and backlight module |
US8702293B2 (en) | 2010-11-05 | 2014-04-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light guide plate and backlight module |
CN104205375B (en) * | 2012-03-30 | 2019-01-15 | 亮锐控股有限公司 | Optics cavity including luminescent device and wavelength conversion material |
US9829180B2 (en) * | 2013-02-14 | 2017-11-28 | Lg Electronics Inc. | Display apparatus |
KR102084039B1 (en) | 2013-07-02 | 2020-03-04 | 삼성디스플레이 주식회사 | Light source unit, menufacturing method thereof, and back light unit including the same |
KR102153455B1 (en) * | 2013-12-06 | 2020-09-09 | 삼성디스플레이 주식회사 | Backlight assembly and display divece having the same |
KR101657954B1 (en) * | 2014-02-05 | 2016-09-21 | 삼성디스플레이 주식회사 | Backlight assembly and display divece having the same |
CN105402640B (en) * | 2014-09-15 | 2018-04-24 | 扬升照明股份有限公司 | Backlight module |
EP3499302B1 (en) * | 2014-12-03 | 2020-03-18 | Samsung Electronics Co., Ltd. | White light emitting device and display device using the same |
WO2017175858A1 (en) * | 2016-04-08 | 2017-10-12 | 富士フイルム株式会社 | Planar light source, back-light unit, and liquid crystal display device |
CN107045228A (en) | 2017-05-16 | 2017-08-15 | 武汉华星光电技术有限公司 | A kind of back light system of liquid crystal display |
CN107065305A (en) | 2017-05-23 | 2017-08-18 | 上海中航光电子有限公司 | Backlight module, display module and display device |
CN107238969B (en) | 2017-05-24 | 2020-12-29 | 深圳Tcl新技术有限公司 | LED light source backlight module and display device |
KR102293607B1 (en) * | 2017-06-07 | 2021-08-26 | 삼성전자주식회사 | Display apparatus |
CN208041696U (en) | 2018-04-16 | 2018-11-02 | 京东方科技集团股份有限公司 | Backlight, backlight module and display device |
-
2018
- 2018-04-16 CN CN201820534670.5U patent/CN208041696U/en active Active
-
2019
- 2019-04-12 EP EP19788370.5A patent/EP3783255B1/en active Active
- 2019-04-12 US US16/609,613 patent/US10976600B2/en active Active
- 2019-04-12 JP JP2019556856A patent/JP7303114B2/en active Active
- 2019-04-12 WO PCT/CN2019/082467 patent/WO2019201172A1/en unknown
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