CN105527667A - Color filter and display panel using same - Google Patents
Color filter and display panel using same Download PDFInfo
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- CN105527667A CN105527667A CN201410517878.2A CN201410517878A CN105527667A CN 105527667 A CN105527667 A CN 105527667A CN 201410517878 A CN201410517878 A CN 201410517878A CN 105527667 A CN105527667 A CN 105527667A
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- matrix
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- quantum dot
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Abstract
The invention relates to a color filter, which comprises a first base material and a plurality of first quantum dot particles doped in the first base material. The color of the first base material is a first primary color. The first quantum dot particles convert other color component light rays with energy higher than that of first primary color light rays into color component light rays of the first primary color. The invention further relates to a display panel using the color filter.
Description
Technical field
The present invention relates to a kind of colored filter and use the display panel of this colored filter.
Background technology
Current colored filter generally includes substrate, be arranged on black matrix" on substrate with the filtered region defining multiple different colours, the protective seam that is coated on the color filter materials in corresponding filtered region and covers on this color filter materials.The light sent when backlight only has the light of the wavelength components of answering with the Color pair of this color filter materials can be through through this color filter materials, in backlight light other wavelength components reflect by colored filter or absorb, thus to realize and the function of specific filtered region transmission particular color light.But, because colored filter only transmits the some light of particular color in backlight light and the some light of other colors of filtering in filtering process, so the light penetration degree of colored filter is poor, thus reduce the backlight utilization ratio of colored filter, be unfavorable for realizing low energy consumption.
Summary of the invention
Given this, be necessary that providing a kind of improves the colored filter of backlight utilization ratio and use the display panel of this colored filter.
A kind of colored filter, it comprises the first matrix and is doped in plural number first quantum dot particles in this first matrix.The color of this first matrix is the first primary colors.Energy is converted to the color component light of the first primary colors by this first quantum dot particle higher than other color component light of the first primary colors light.
A kind of display panel, it comprises colored filter, penetrates after the light injecting this colored filter being converted to the colored three primary colors color component light shown again.Wherein this colored filter comprises the first matrix and is doped in plural number first quantum dot particles in this first matrix.This first matrix and the first quantum dot particles are for penetrating the color component light of the first primary colors.Energy is converted to the color component light of the first primary colors by this first quantum dot particle higher than other color component light of the color component light of the first primary colors.
Because the light conversion ratio of this quantum dot particles is higher, 7 percent ten to percentage 80 can be reached.After the present invention adds this quantum dot particles in matrix, original some light lost in filtering process can be converted into the component light of corresponding color and be used, thus substantially increase the backlight utilization ratio of display panel, be conducive to the low energy consumption realizing display panel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of display panel of the present invention.
Fig. 2 is the cut-open view of display panel in Fig. 1.
Fig. 3 is the cut-open view of the second embodiment of display panel of the present invention.
Fig. 4 is the cut-open view of the 3rd embodiment of display panel of the present invention.
Fig. 5 is the structural representation of the 4th embodiment of display panel of the present invention.
Fig. 6 is the cut-open view of display panel in Fig. 5.
Fig. 7 is the cut-open view of the 5th embodiment of display panel of the present invention.
Fig. 8 is the cut-open view of the 6th embodiment of display panel of the present invention.
Main element symbol description
| Display panel | 1、2、3、4、5、6 |
| Pixel region | 100、200、400 |
| Block | 101、401、601 |
| First block | 102、202、302、402、502、602 |
| Second block | 103、203、303、403、503、603 |
| 3rd block | 104、204、304、404、504、604 |
| 4th block | 205、605 |
| First substrate | 11、41 |
| Second substrate | 12、42 |
| Luminescence component | 13、23、33 |
| Color conversion layer | 14、44 |
| Matrix | 140、440 |
| First matrix | 1401、3401、4401、5401、6401 |
| Second matrix | 1402、3402、4402、5402、6402 |
| 3rd matrix | 1403、3403、4403、5403、6403 |
| Black matrix | 142、442 |
| Quantum dot particles | 143、243、443、543、643 |
| Red quantum point particulate | 1430、3430、4430、5430、6430 |
| Green quantum dot particles | 1432、3432、4432、5432、6432 |
| Backlight module | 45、55、65 |
| Liquid crystal layer | 43 |
| Thin film transistor (TFT) array | 46 |
| Thin film transistor (TFT) | 460 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of the first embodiment of display panel of the present invention, and Fig. 2 is the sectional view of display panel 1 in Fig. 1.In order to clearly demonstrate better embodiment of the present invention, Fig. 2 only discloses a pixel region 100 of display panel 1.This display panel 1 is in order to full-color display frame, and this display panel 1 can be display panels, also can be organic EL display panel.In the present embodiment, this display panel 1 is organic EL display panel.
This display panel 1 comprises the first substrate 11 and second substrate 12 that are oppositely arranged.This first substrate 11 is provided with luminescence component 13 in order to send display light.In the present embodiment, this luminescence component 13 is for sending the Organic Light Emitting Diode of white light.
This second substrate 12 is provided with colored filter 14, penetrates again after the light injected being converted to the colored primary colors color component shown.This colored filter 14 defines multiple pixel region 100, is described in present embodiment for one of them pixel region 100.Each pixel region 100 comprises the multiple blocks 101 for difference outgoing different color components light.This colored filter 14 receives the light that luminescence component 13 sends, and penetrates after being converted to corresponding different color components light respectively by the plurality of block 101.In present embodiment, this display panel 1 adopts three primary colors mutually to mix to realize full-color display, and the plurality of block 101 is respectively the 3rd block 104 launched the first block 102 of red component light, the second block 103 of transmitting green component light and launch blue component light.Be understandable that, in other embodiments of the present invention, this colored filter 14 can also be arranged on the luminescence component 13 of first substrate 11.
The quantum dot particles 143 that this colored filter 14 comprises plural matrix 140, black matrix 142 and is doped in this matrix 140.This black matrix 142 by spaced for the matrix 140 of different colours be multiple blocks 101 of aforementioned transmitting different color components.The required light launching color component is converted to the some light sent by luminescence component 13 according to the required plural quantum dot particles 143 of adulterating in this matrix 140 with launching the color preference of color component of corresponding block 101.
The main body of this matrix 140 is photoresist, and according to its light color of launching containing corresponding coloured dye.This matrix 140 can be formed on second substrate 12 by modes such as gold-tinted processing procedure, inkjet printing, micro-transfer printing, serigraphys and be patterned as aforementioned multiple blocks 101.
This quantum dot particles 143 is a kind of inorganic Nanometer material, and the light that luminescence component 13 sends can be converted to the component light of particular color by it.In the present embodiment, this quantum dot particles 143 is divided into red quantum point particulate 1430 and green quantum dot particles 1432 according to the color of converted to component light.The some light of the energy of the emission of light that energy can convert to higher than self by this quantum dot particles 143 is converted to the identical light of the energy of the emission of light converted to self, so green component light higher for energy and blue component light can be converted to red component light by red quantum point particulate 1430.Blue component light high for energy Ratios green glow only can be transformed green component light by green quantum dot particles 1432.
In the present embodiment, this colored filter 14 comprises transparent first matrix 1401, second matrix 1402 of with second block 103 of transmitting green component light corresponding green and three matrix 1403 of with three block 104 of launching blue component light corresponding blueness corresponding with the first block 102 launching red component light.This first matrix 1401 inside is doped with red quantum point particulate 1430.This second matrix 1402 inside is doped with green quantum dot particles 1432.The inside of the 3rd matrix 1403 does not have doped quantum dot particulate 143.Be understandable that, the first matrix 1401 in this first block 102 also can by the redness identical with being launched light components line color.
Because the light conversion ratio of this quantum dot particles 143 is higher, eight ten ten to percent 7 percent can be reached.Add this quantum dot particles 143 in matrix 140 after, original most of light lost in filtering process can pass colored filter because being converted into the component light of corresponding color, thus substantially increase the backlight utilization ratio of display panel 1, be conducive to the low energy consumption realizing display panel 1.
Refer to Fig. 3, it is the cut-open view of the second embodiment of display panel 2 of the present invention.The structure of the display panel 2 that second embodiment of the invention provides is substantially identical with the structure of the display panel 1 in the first embodiment, its difference is: in the second embodiment, display panel 2 comprises the 4th block 205 for transmitting white further, to increase the overall brightness of pixel region 200.This colored filter 24 comprises transparent four matrix 2404 corresponding with the 4th block 205 further, the inside of the 4th matrix 2404 does not have doped quantum dot particulate 243, and the white light sent to make luminescence component 23 directly penetrates without conversion through after the 4th block 205.Be understandable that, this first matrix 2401 also can by the redness identical with being launched light components line color.
Refer to Fig. 4, it is the cut-open view of the 3rd embodiment of display panel 3 of the present invention.The structure of the display panel 3 that third embodiment of the invention provides is substantially identical with the structure of the display panel 1 in the first embodiment, and its difference is: the luminescence component 33 of the display panel 3 in the 3rd embodiment is for sending the Organic Light Emitting Diode of blue light.Accordingly, corresponding with the first block 301 be the first transparent matrix 3401 and inside doped with red quantum point particulate 3430, corresponding with the second block 303 be the second transparent matrix 3402 and inside doped with green quantum dot particles 3432.Corresponding with the 3rd block 304 be the 3rd transparent matrix 3403 and inside does not have doped quantum dot particulate 3430, and the blue light sent to make luminescence component 33 directly penetrates without conversion through after the 3rd block 304.Be understandable that, this first matrix 3401 or the second matrix 3402 also can have the identical color of the component light launched with self, that is, the first matrix 3401 be red or the second matrix 3402 for green.
Refer to Fig. 5 and Fig. 6, Fig. 5 is the structural representation of the 4th embodiment of display panel 4 of the present invention, and Fig. 6 is the cut-open view of display panel 4 in Fig. 5.In the present embodiment, this display panel 4 is display panels.Accordingly, this display panel 4 comprises the first substrate 41, second substrate 42, the backlight module 45 that is arranged on the liquid crystal layer 43 between first substrate 41 and second substrate 42 and is arranged on below second substrate that are oppositely arranged.This first substrate 41 is for being provided with the array base palte of thin film transistor (TFT) array 46.This second substrate 42 is provided with colored filter 44.This colored filter 44 is divided into multiple pixel region 400, is described in present embodiment for one of them pixel region 400.Each pixel region 400 comprises the multiple blocks 401 for difference outgoing different color components light.This colored filter 44 receives the light that backlight module 45 sends, and penetrates after being converted to corresponding different color components light respectively by the plurality of block 401.Each thin film transistor (TFT) 460 in this thin film transistor (TFT) array 46 corresponds respectively to a wherein block 401 and arranges to regulate the penetrability of this block 401 in pixel region 400 by the control liquid crystal molecule corresponding with this block 401 rotates.In present embodiment, this display panel 1 adopts three primary colors mutually to mix to realize full-color display, and the plurality of block 401 is respectively the 3rd block 404 launched the first block 402 of red component light, the second block 403 of transmitting green component light and launch blue component light.In the present embodiment, this backlight module 45 provides white light as backlight light.
This colored filter 44 comprises plural matrix 440, black matrix 442 and the quantum dot particles 443 that is doped in this matrix 440 with different colours.This black matrix 442 by spaced for the matrix 440 of different colours be multiple blocks 401 of aforementioned transmitting different color components.This matrix 440 is according to required be converted to different colours doped with plural quantum dot particles 443 with the light sent by the luminescence component 43 component light with launching the color preference of color component of corresponding block 401.In the present embodiment, corresponding to the backlight module 45 providing white backlight, corresponding with the first block 402 launching red component light be the first transparent matrix 4401 and inside doped with red quantum point particulate 4430, the second green matrix 4402 that corresponding with the second block 403 of transmitting green component light is and inside are doped with green quantum dot particles 4432, and corresponding with the 3rd block 404 launching blue component light be the 3rd blue matrix 4403 and inside does not have doped quantum dot particulate 443.
Refer to Fig. 7, it is the cut-open view of the 5th embodiment of display panel 5 of the present invention.The structure of the display panel 5 that fifth embodiment of the invention provides is substantially identical with the structure of the display panel 4 in the 4th embodiment, and its difference is: this backlight module 55 provides blue ray as backlight light.Accordingly, corresponding with the first block 502 be the first transparent matrix 5401 and inside doped with red quantum point particulate 5430.Corresponding with the second block 503 be the second transparent matrix 5402 and inside doped with green quantum dot particles 5432.Corresponding with the 3rd block 504 be the 3rd transparent matrix 5403 and inside does not have doped quantum dot particulate 543, and the blue light sent to make backlight module 55 directly penetrates without conversion through after the 3rd block 504.
Refer to Fig. 8, it is the cut-open view of the 6th embodiment of display panel 6 of the present invention.The structure of the display panel 6 that sixth embodiment of the invention provides is substantially identical with the structure of the display panel 4 in the 4th embodiment, and its difference is: this backlight module 65 provides white light as backlight light.The plurality of block 601 is respectively the 4th block 605 of the first block 602, the second block 603 of transmitting green component light, the 3rd block 604 launching blue component light and the transmitting white color component light launching red component light.Accordingly, corresponding with the first block 602 be the first transparent matrix 6401 and inside doped with red quantum point particulate 6430.The second green matrix 6402 that corresponding with the second block 603 is and inside are doped with green quantum dot particles 6432.The 3rd blue matrix 6403 that corresponding with the 3rd block 604 is and inside does not have doped quantum dot particulate 643.Corresponding with the 4th block 605 be the 4th transparent matrix 6404 and inside does not have doped quantum dot particle 643, and the white light sent to make backlight module 65 directly penetrates without conversion through after the 4th block 605.
Those skilled in the art will be appreciated that; above embodiment is only used to the present invention is described; and be not used as limitation of the invention; as long as within spirit of the present invention, the suitable change do above embodiment and change all drop within the scope of protection of present invention.
Claims (20)
1. a colored filter, it comprises the first matrix and is doped in plural number first quantum dot particles in this first matrix, the color of this first matrix is the first primary colors, and energy is converted to the color component light of the first primary colors by this first quantum dot particle higher than other color component light of the light of the first primary colors.
2. the colored filter according to claim the 1, is characterized in that, this first primary colors is green.
3. the colored filter according to claim the 1, it is characterized in that, comprise the second transparent matrix further and be doped in plural number second quantum dot particles in this second matrix, energy is converted to the color component light of the second primary colors by this second quantum dot particle higher than the color component light of other colors of one second primary colors light.
4. the colored filter according to claim the 1, it is characterized in that, comprise the second matrix further and be doped in plural number second quantum dot particles in this second matrix, the color of this second matrix is one second primary colors, and energy is converted to the color component light of the second primary colors by this second quantum dot particle higher than the color component light of other colors of the second primary colors light.
5. the colored filter according to claim the 3 or 4, is characterized in that, this second primary colors is red.
6. the colored filter according to claim the 1, is characterized in that, comprising color is further trichromatic 3rd matrix, and the 3rd Medium Culture does not have doped quantum dot particle.
7. the colored filter according to claim the 6, is characterized in that, these three primary colors are blue.
8. the colored filter according to claim the 1, is characterized in that, comprise the 4th transparent matrix further, the 4th Medium Culture does not have doped quantum dot particle.
9. a display panel, it comprises colored filter and luminescence component, this luminescence component sends white backlight, this colored filter penetrates after being used for the white backlight injecting this colored filter being converted to the colored trichromatic color component light shown again, wherein this colored filter comprises the first matrix and is doped in plural number first quantum dot particles in this first matrix, the color of this first matrix is the first primary colors, energy is converted to the color component light of the first primary colors by this first quantum dot particle higher than other color component light of the color component light of the first primary colors.
10. the display panel according to claim the 9, is characterized in that: this luminescence component is Organic Light Emitting Diode.
11. display panels according to claim the 9, is characterized in that, this first primary colors is green.
12. display panels according to claim the 9, it is characterized in that, this colored filter comprises the second transparent matrix further and is doped in plural number second quantum dot particles in this second matrix, and energy is converted to the color component light of the second primary colors by this second quantum dot particle higher than the color component light of other colors of one second primary colors light.
13. colored filters according to claim the 9, it is characterized in that, comprise the second matrix further and be doped in plural number second quantum dot particles in this second matrix, the color of this second matrix is one second primary colors, and energy is converted to the color component light of the second primary colors by this second quantum dot particle higher than the color component light of other colors of the second primary colors light.
14. display panels according to claim the 12 or 13, is characterized in that, this second primary colors is red.
15. display panels according to claim the 9, it is characterized in that, it is trichromatic 3rd matrix that this colored filter comprises color further, and the 3rd Medium Culture does not have doped quantum dot particle.
16. display panels according to claim the 15, is characterized in that, these three primary colors are blue.
17. display panels according to claim the 9, it is characterized in that, this colored filter comprises the 4th transparent matrix further, and the 4th Medium Culture does not have doped quantum dot particle.
18. 1 kinds of display panels, it comprises colored filter and luminescence component, this luminescence component sends Blue backlight, this colored filter penetrates after being used for the Blue backlight injecting this colored filter being converted to the colored trichromatic color component light shown again, wherein this colored filter comprises the first matrix and is doped in plural number first quantum dot particles in this first matrix, the color of this first matrix is one first primary colors, energy is converted to the color component light of the first primary colors by this first quantum dot particle higher than other color component light of the color component light of the first primary colors.
19. display panels according to claim the 18, is characterized in that, this first primary colors is green.
20. display panels according to claim the 19, it is characterized in that, this colored filter comprises the second transparent matrix further and color is trichromatic 3rd matrix, doped with plural second quantum dot particles in this second matrix, 3rd Medium Culture does not have doped quantum dot particulate, energy is converted to the color component light of the second primary colors by this second quantum dot particles higher than the color component light of other colors of one second primary colors light, this second primary colors is red, and these three primary colors are blue.
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| CN201410517878.2A CN105527667A (en) | 2014-09-30 | 2014-09-30 | Color filter and display panel using same |
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Effective date of registration: 20161123 Address after: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant after: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant after: Hon Hai Precision Industry Co., Ltd. Address before: Taiwan Hsinchu County Chinese jhubei City, Taiwan 1 yuan a Street No. 7 Building 1 Applicant before: YEXIN TECHNOLOGY CONSULATION CO., LTD. |
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