CN104299529A - LED display screen - Google Patents
LED display screen Download PDFInfo
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- CN104299529A CN104299529A CN201410637629.7A CN201410637629A CN104299529A CN 104299529 A CN104299529 A CN 104299529A CN 201410637629 A CN201410637629 A CN 201410637629A CN 104299529 A CN104299529 A CN 104299529A
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- led
- light
- led display
- optical filter
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- 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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention discloses an LED display screen. The LED display screen is used for resisting light with an overlarge divergence angle and reducing the phenomena of light interference and light leakage. According to the embodiment of the invention, the LED display screen comprises a TFT, a plurality of CFs, an LGM and LED parts, wherein the LED parts are arranged on the TFT; the LGM is arranged between the CFs and the LED parts; the LED parts comprise a plurality of LED units; the distribution positions of the LED units are in one-to-one correspondence to the CFs; a plurality of through holes are formed in the LGM and are filled with light emitting substances.
Description
Technical field
The present invention relates to LED display technical field, be specifically related to a kind of LED display.
Background technology
Adopt and cover brilliant light emitting diode (light emitting diode, being called for short LED) display screen that makes is as shown in Figure 1, at thin film transistor (TFT) (Thin Film Transistor, be called for short TFT) on LED is set, corresponding LED is provided with optical filter (color filter, be called for short CF), in FIG, comprise red R, green G and blue B, when the LED emission of light of correspondence is irradiated to corresponding CF, and then the green or blue three kinds of primary colours of redness can be produced.Wherein, spacing is had between CF and LED, if spacing is excessive, the light source angle of divergence that LED launches is larger, can affect adjacent optical filter, such as, in the light that the LED that the CF at green G place is corresponding launches, the light that the angle of divergence is larger can be irradiated on the CF at adjacent red R place and the CF at blue B place, and cause light interference phenomena to produce, color contrast is lower.
Summary of the invention
Embodiments provide a kind of LED display, effectively block the light that dispersion angle is excessive, reduce interference.
Embodiments provide a kind of LED display, can comprise:
Thin film transistor (TFT) TFT, several optical filters CF, light-conductive hole matrix L GM and LED parts;
Wherein, described LED component is arranged on described TFT, and described light-conductive hole matrix L GM is arranged between described optical filter CF and described LED component;
Described LED component comprises several LED unit, and the exhaust position of described LED unit and described optical filter one_to_one corresponding, described light-conductive hole matrix L GM is provided with several through holes, and described filling through hole has luminescent substance.
As can be seen from the above technical solutions, the LED display that the embodiment of the present invention provides has the following advantages: by arranging light-conductive hole matrix L GM between optical filter CF and LED parts, and on light-conductive hole matrix L GM, through hole is set, fill luminescent substance in through-holes, the blue-light source sent by LED is converted to white light source, this white light source can be irradiated on corresponding optical filter CF, and the position not arranging through hole in light-conductive hole matrix L GM can keep out the excessive light of the angle of divergence in LED unit effectively, reduce light to the interference of adjacent CF, reduce light leak.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in the embodiment of the present invention below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The LED display structural representation that Fig. 1 provides for prior art;
The structural representation of the LED display that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing of the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments providing a kind of LED display, effectively keeping out the excessive light of dispersion angle for reducing, reduce light leak and light interference phenomena.
As shown in Figure 2, the LED display that the embodiment of the present invention provides, can comprise: thin film transistor (TFT) TFT-10, several optical filters CF-20, light-conductive hole matrix L GM-30 and LED parts;
Wherein, described LED component is arranged on described TFT-10, and described light-conductive hole matrix L GM-30 is arranged between described optical filter CF-20 and described LED component;
Described LED component comprises several LED unit 50, and the exhaust position of described LED unit 50 and described optical filter 20 one_to_one corresponding, described light-conductive hole matrix L GM-30 is provided with several through holes 60, and described through hole 60 is filled with luminescent substance.
Alternatively, above-mentioned light-conductive hole matrix L GM-30 is glass fibre, polymer thin-film material or glass etc.
Wherein, by arranging light-conductive hole matrix L GM between optical filter CF and LED parts, and on light-conductive hole matrix L GM, through hole is set, fill luminescent substance in through-holes, the blue-light source sent by LED is converted to white light source, and this white light source can be irradiated on corresponding optical filter CF, and the position not arranging through hole in light-conductive hole matrix L GM can keep out the excessive light of the angle of divergence in LED unit effectively, reduce light to the interference of adjacent CF, reduce light leak.
Wherein, the length and width of described optical filter CF-20 are equal with described LED unit 50 length and width, interval between described optical filter CF-20 is equal with the interval between described LED unit 50, make optical filter CF-20 and LED unit 50 one_to_one corresponding, and interval between adjacent two optical filter CF-20 and the interval one_to_one corresponding between corresponding two adjacent LEDs unit 50.
In an enforceable mode, the corresponding described optical filter CF-20 one end of above-mentioned light-conductive hole matrix L GM-30 or described LED unit 50 one end arrange above-mentioned through hole 60, makes LED unit 50 described in each or corresponding two the described through holes 60 of described optical filter CF-20.
Wherein, through hole 60 length set by interval between corresponding optical filter CF-20 is equal with this interval, and the total area of described through hole 60 is 50%-100% of the total area of LED unit 50.
Through hole 60 inwall first can plate the higher metallics of one deck reflectivity, such as silver, aluminium or tin etc.Then, in the through hole 60 plating metallics, luminescent substance is filled.So the blue-light source of LED unit 50 transmitting is through through hole, blue-light source is changed into white light source, and this white light source is irradiated to the color corresponding optical filter CF-20 obtaining need; And the larger blue ray of the angle of divergence is withstood through other local time of light-conductive hole matrix L GM-30, the light preventing LED unit from sending causes interference to adjacent CF, reduces the generation of light leakage phenomena.
Alternatively, the luminescent substance of filling in through hole is fluorescent colloid, and this fluorescent colloid can be liquid or solid-state, certainly, fluorescent colloid can be cured.The penetrance of this fluorescent colloid is more than 70% of visible light wave range, can reduce light leakage phenomena, and add color contrast.
Particularly, fluorescent powder is included in above-mentioned fluorescent colloid.
Alternatively, above-mentioned through hole 60 can be circular hole, elliptical aperture, oblong aperture or square hole etc.
In an enforceable mode, the distance between optical filter CF-20 and described light-conductive hole matrix L GM-30 is less than 50um, and the distance between light-conductive hole matrix L GM-30 and thin film transistor (TFT) TFT-10 is greater than 100um.
In embodiments of the present invention, by arranging light-conductive hole matrix L GM between optical filter CF and LED parts, and on light-conductive hole matrix L GM, through hole is set, fill luminescent substance in through-holes, the blue-light source sent by LED is converted to white light source, this white light source can be irradiated on corresponding optical filter CF, and the position not arranging through hole in light-conductive hole matrix L GM can keep out the excessive light of the angle of divergence in LED unit effectively, reduce light to the interference of adjacent CF, reduce light leak.
Above a kind of LED display provided by the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a LED display, is characterized in that, comprising: thin film transistor (TFT) TFT, several optical filters CF, light-conductive hole matrix L GM and LED parts;
Wherein, described LED component is arranged on described TFT, and described light-conductive hole matrix L GM is arranged between described optical filter CF and described LED component;
Described LED component comprises several LED unit, and the exhaust position of described LED unit and described optical filter one_to_one corresponding, described light-conductive hole matrix L GM is provided with several through holes, and described filling through hole has luminescent substance.
2. LED display according to claim 1, is characterized in that,
The length and width of described optical filter CF are equal with described LED unit length and width, and the interval between described optical filter CF is equal with the interval between described LED unit.
3. LED display according to claim 1, is characterized in that,
Corresponding described LED unit one end, described through hole one end and described optical filter CF one end, LED unit described in each or corresponding two the described through holes of described optical filter CF.
4. the LED display according to any one of claims 1 to 3, is characterized in that,
Described through-hole wall can be coated with metallics.
5. LED display according to claim 4, is characterized in that,
Described metallics is specially silver, aluminium or tin.
6. LED display according to claim 5, is characterized in that,
The shape of described through hole is circular hole, elliptical aperture, oblong aperture or square hole, and the length and width of described through hole are 1/3rd of the length of described LED unit or described optical filter CF.
7. LED display according to claim 6, is characterized in that,
Described luminescent substance is fluorescent colloid, and described fluorescent colloid is liquid or solid-state, and the penetrance of described fluorescent colloid is more than 70% of visible light wave range.
8. LED display according to claim 1, is characterized in that,
Described light-conductive hole matrix L GM is glass fibre, polymer thin-film material or glass.
9. LED display according to claim 1, is characterized in that,
Distance between described optical filter and described light-conductive hole matrix L GM is less than 50um.
10. LED display according to claim 1, is characterized in that,
Distance between described light-conductive hole matrix L GM and described thin film transistor (TFT) TFT is greater than 100um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637629.7A CN104299529A (en) | 2014-11-12 | 2014-11-12 | LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637629.7A CN104299529A (en) | 2014-11-12 | 2014-11-12 | LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104299529A true CN104299529A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410637629.7A Pending CN104299529A (en) | 2014-11-12 | 2014-11-12 | LED display screen |
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| Country | Link |
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| CN (1) | CN104299529A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154215A (en) * | 2017-05-17 | 2017-09-12 | 广东欧珀移动通信有限公司 | Display screen, display device and mobile terminal |
| CN110350071A (en) * | 2019-06-28 | 2019-10-18 | 佛山市国星光电股份有限公司 | A kind of true color LED packaging and display module |
| CN110473892A (en) * | 2019-09-12 | 2019-11-19 | 青岛海信电器股份有限公司 | Display device |
| WO2020073305A1 (en) * | 2018-10-12 | 2020-04-16 | Boe Technology Group Co., Ltd. | Micro light emitting diode display panel, micro light emitting diode display apparatus, and method of fabricating micro light emitting diode display panel |
-
2014
- 2014-11-12 CN CN201410637629.7A patent/CN104299529A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154215A (en) * | 2017-05-17 | 2017-09-12 | 广东欧珀移动通信有限公司 | Display screen, display device and mobile terminal |
| CN107154215B (en) * | 2017-05-17 | 2019-05-28 | Oppo广东移动通信有限公司 | Display screen, display device and mobile terminal |
| WO2020073305A1 (en) * | 2018-10-12 | 2020-04-16 | Boe Technology Group Co., Ltd. | Micro light emitting diode display panel, micro light emitting diode display apparatus, and method of fabricating micro light emitting diode display panel |
| US11251341B2 (en) | 2018-10-12 | 2022-02-15 | Boe Technology Group Co., Ltd. | Micro light emitting diode display panel, micro light emitting diode display apparatus, and method of fabricating micro light emitting diode display panel |
| CN110350071A (en) * | 2019-06-28 | 2019-10-18 | 佛山市国星光电股份有限公司 | A kind of true color LED packaging and display module |
| CN110473892A (en) * | 2019-09-12 | 2019-11-19 | 青岛海信电器股份有限公司 | Display device |
| CN110473892B (en) * | 2019-09-12 | 2021-11-23 | 海信视像科技股份有限公司 | Display device |
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Application publication date: 20150121 |