CN210110770U - Light-emitting diode display panel and display device - Google Patents
Light-emitting diode display panel and display device Download PDFInfo
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- CN210110770U CN210110770U CN201921041783.2U CN201921041783U CN210110770U CN 210110770 U CN210110770 U CN 210110770U CN 201921041783 U CN201921041783 U CN 201921041783U CN 210110770 U CN210110770 U CN 210110770U
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Abstract
The embodiment of the utility model provides a light emitting diode display panel and display device, light emitting diode display panel include a plurality of array pixel, each pixel includes a plurality of emitting diode, and emitting diode includes the emitting diode chip; the plurality of light emitting diodes include a visible light emitting diode for emitting visible light and a far infrared light emitting diode for emitting far infrared light; at least part of the visible light emitting diodes comprise a visible light emitting material layer, the visible light emitting material layer is positioned on the light emitting side of the light emitting diode chip, and the light emitting diode chip irradiates the visible light emitting material layer to emit visible light; each far infrared light emitting diode comprises a far infrared light emitting material layer, the far infrared light emitting material layer is positioned on the light emitting side of the light emitting diode chip, and the light emitting diode chip irradiates the far infrared light emitting material layer to emit far infrared light. An embodiment of the utility model provides a light emitting diode display panel and display device to realize alleviating user's eyestrain.
Description
Technical Field
The embodiment of the utility model provides a relate to the display technology, especially relate to a light emitting diode display panel and display device.
Background
Mobile phones and computers have become an indispensable part of people's daily life, but long-term use of mobile phones and computers can cause strong stimulation to human eyes, bring diseases such as xerophthalmia and the like, and threaten human health. At present, the main approach to eliminate the negative effect of the display screens of mobile phones and computers on human eyes is to remove blue light. However, the existing blue light removing means can affect the image quality due to the removal of high-energy blue light, the process for removing the blue light is complex and expensive, and meanwhile, the actual effect is not ideal, and the blue light absorbed generally is about 20% of the total amount, so that the blue light cannot be completely prevented from entering human eyes.
Because blue light cannot be completely prevented from entering human eyes, the display screens of the mobile phone and the computer have negative influence on the human eyes, so that users are very easy to have eyestrain.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a light emitting diode display panel and display device to realize alleviating user's eyestrain.
In a first aspect, an embodiment of the present invention provides an led display panel, including a plurality of pixels arranged in an array, each of the pixels includes a plurality of leds, and each of the leds includes an led chip;
the plurality of light emitting diodes include a visible light emitting diode for emitting visible light and a far infrared light emitting diode for emitting far infrared light;
at least part of the visible light emitting diode comprises a visible light emitting material layer, the visible light emitting material layer is positioned on the light emitting side of the light emitting diode chip, and the light emitting diode chip irradiates the visible light emitting material layer to emit visible light;
each far infrared emitting diode includes far infrared light luminescent material layer, far infrared light luminescent material layer is located the light-emitting side of emitting diode chip, emitting diode chip shines far infrared light luminescent material layer transmission far infrared light.
Optionally, the light emitting diode chip is a blue light emitting diode chip, and the blue light emitting diode chip emits blue light.
Optionally, the plurality of visible light emitting material layers include a red light emitting material layer and a green light emitting material layer, the blue light emitting diode chip irradiates the red light emitting material layer to emit red light, and the blue light emitting diode chip irradiates the green light emitting material layer to emit green light.
Optionally, the light emitting diode chip is an ultraviolet light emitting diode chip, and the ultraviolet light emitting diode chip emits ultraviolet light.
Optionally, the plurality of visible light emitting material layers include a red light emitting material layer, a green light emitting material layer, and a blue light emitting material layer, the ultraviolet light emitting diode chip irradiates the red light emitting material layer to emit red light, the ultraviolet light emitting diode chip irradiates the green light emitting material layer to emit green light, and the ultraviolet light emitting diode chip irradiates the blue light emitting material layer to emit blue light.
Optionally, each of the pixels includes a first light emitting diode, a second light emitting diode, a third light emitting diode and a fourth light emitting diode, the first light emitting diode, the second light emitting diode and the third light emitting diode are the visible light emitting diodes, and the first light emitting diode, the second light emitting diode and the third light emitting diode respectively emit red light, green light and blue light; the fourth light emitting diode is the far infrared light emitting diode.
Optionally, the first light emitting diode, the second light emitting diode, the third light emitting diode, and the fourth light emitting diode are arranged in a row; alternatively, the first and second electrodes may be,
the first, second, third, and fourth light emitting diodes are arranged in a 2 x 2 matrix.
Optionally, the visible light emitting material layer includes a fluorescent light emitting material layer or a quantum dot light emitting material layer;
the far infrared light emitting material layer comprises a fluorescent light emitting material layer or a quantum dot light emitting material layer.
Optionally, the led display panel further includes a plurality of driving circuits, and the driving circuits are electrically connected to the leds in a one-to-one correspondence.
In a second aspect, an embodiment of the present invention provides a display device, including the led display panel of the first aspect.
The embodiment of the utility model provides a light emitting diode display panel includes far infrared emitting diode, and the far infrared light of far infrared emitting diode transmission has obvious effect to alleviating visual fatigue, promoting the blood flow. The emission wavelength of the far infrared light emitting diode may be, for example, more than 4 μm and less than 14 μm. The far infrared light with the wavelength of 4um-14um is called 'life light', and can be absorbed by human body, so that molecular vibration in human body can be caused, and thermal reaction can be produced, so that the temperature of subcutaneous tissue can be raised, the expansion of subcutaneous blood capillary can be promoted, the flow of blood can be accelerated, and the metabolism rate of human body can be raised. An embodiment of the utility model provides a backlight to realize alleviating user's eyestrain.
Drawings
Fig. 1 is a schematic top view of an led display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the pixel shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view along AA' in FIG. 2;
fig. 4 is a schematic cross-sectional view illustrating another led display panel according to an embodiment of the present invention;
FIG. 5 is a schematic view of another enlarged structure of the pixel shown in FIG. 1;
fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
FIG. 1 is a schematic top view of an LED display panel according to an embodiment of the present invention,
fig. 2 is an enlarged schematic structural view of the pixel shown in fig. 1, and fig. 3 is a schematic structural view of a cross section along AA' in fig. 2. referring to fig. 1, fig. 2 and fig. 3, the led display panel includes a plurality of pixels 100 arranged in an array, each pixel 100 includes a plurality of leds 110, and each led 110 includes an led chip 10. The plurality of light emitting diodes 110 include a visible light emitting diode 111 for emitting visible light and a far infrared light emitting diode 112 for emitting far infrared light. At least a part of the visible light emitting diode 111 includes a visible light emitting material layer 20, the visible light emitting material layer 20 is located on the light emitting side of the light emitting diode chip 10, and the light emitting diode chip 10 irradiates the visible light emitting material layer 20 to emit visible light. Each of the far infrared light emitting diodes 112 includes a far infrared light emitting material layer 30, the far infrared light emitting material layer 30 is located on the light emitting side of the light emitting diode chip 10, and the light emitting diode chip 10 irradiates the far infrared light emitting material layer 30 to emit far infrared light. In some embodiments, a portion of the visible light emitting diodes 111 includes the layer of visible light emitting material 20, and another portion of the visible light emitting diodes 111 does not include the layer of visible light emitting material 20. In other embodiments, all of the visible light emitting diodes 111 include the layer of visible light emitting material 20.
The embodiment of the utility model provides a light emitting diode display panel includes far infrared emitting diode, and the far infrared light of far infrared emitting diode transmission has obvious effect to alleviating visual fatigue, promoting the blood flow. The emission wavelength of the far infrared light emitting diode may be, for example, more than 4 μm and less than 14 μm. The far infrared light with the wavelength of 4um-14um is called 'life light', and can be absorbed by human body, so that molecular vibration in human body can be caused, and thermal reaction can be produced, so that the temperature of subcutaneous tissue can be raised, the expansion of subcutaneous blood capillary can be promoted, the flow of blood can be accelerated, and the metabolism rate of human body can be raised. An embodiment of the utility model provides a light emitting diode display panel to realize alleviating user's eyestrain.
Alternatively, referring to fig. 2 and 3, each pixel 100 includes a first light emitting diode 1111, a second light emitting diode 1112, a third light emitting diode 1113, and a fourth light emitting diode 1114, the first light emitting diode 1111, the second light emitting diode 1112, and the third light emitting diode 1113 are visible light emitting diodes 111, and the first light emitting diode 1111, the second light emitting diode 1112, and the third light emitting diode 1113 emit red light, green light, and blue light, respectively. The fourth led 1114 is a far-infrared led 112, and the fourth led 1114 emits far-infrared light. Fig. 2 illustrates that one pixel 100 includes 4 light emitting diodes 110, and in other embodiments, one pixel 100 may further include less than 4 light emitting diodes 110 or more than 4 light emitting diodes 110, which is not limited by the embodiment of the present invention.
Alternatively, referring to fig. 2, the first light emitting diode 1111, the second light emitting diode 1112, the third light emitting diode 1113, and the fourth light emitting diode 1114 are arranged in a 2 × 2 matrix. In other embodiments, the 4 light emitting diodes 110 in one pixel 100 may have other arrangements.
Alternatively, referring to fig. 3, the light emitting diode chip 10 is a blue light emitting diode chip, and the blue light emitting diode chip emits blue light. The blue light emitting diode chip irradiates the visible light emitting material layer 20 to emit visible light, and the blue light emitting diode chip irradiates the far infrared light emitting material layer 30 to emit far infrared light. Because the light emitting diode chip 10 is a blue light emitting diode chip, and the blue light emitting diode chip emits blue light, the visible light emitting material layer 20 does not need to be arranged on the light emitting side of the blue light emitting diode chip, the use of the visible light emitting material layer 20 is saved, and the cost is reduced.
Alternatively, referring to fig. 3, the plurality of visible light emitting material layers 20 includes a red light emitting material layer 21 and a green light emitting material layer 22 (illustrated by 2 visible light emitting material layers 20 in fig. 3), the blue light emitting diode chip emits red light by irradiating the red light emitting material layer 21, and the blue light emitting diode chip emits green light by irradiating the green light emitting material layer 22.
Exemplarily, referring to fig. 3, the first light emitting diode 1111 includes a blue light emitting diode chip and a red light emitting material layer 21. The second light emitting diode 1112 includes a blue light emitting diode chip and a green light emitting material layer 22. The third light emitting diode 1113 includes a blue light emitting diode chip. The fourth led 1114 includes a blue led chip and a far-infrared light emitting material layer 30.
Fig. 4 is a schematic diagram of a cross-sectional structure of another led display panel according to an embodiment of the present invention, referring to fig. 4, the led chip 10 is an ultraviolet led chip, and the ultraviolet led chip emits ultraviolet light. The ultraviolet light emitting diode chip irradiates the visible light emitting material layer 20 to emit visible light, and the ultraviolet light emitting diode chip irradiates the far infrared light emitting material layer 30 to emit far infrared light.
Alternatively, referring to fig. 4, the plurality of visible light emitting material layers 20 includes a red light emitting material layer 21, a green light emitting material layer 22, and a blue light emitting material layer 23 (illustrated by 3 visible light emitting material layers 20 in fig. 4), the ultraviolet light emitting diode chip irradiates the red light emitting material layer 21 to emit red light, the ultraviolet light emitting diode chip irradiates the green light emitting material layer 22 to emit green light, and the ultraviolet light emitting diode chip irradiates the blue light emitting material layer 23 to emit blue light.
Exemplarily, referring to fig. 4, the first light emitting diode 1111 includes an ultraviolet light emitting diode chip and a red light emitting material layer 21. The second light emitting diode 1112 includes an ultraviolet light emitting diode chip and a green light emitting material layer 22. The third light emitting diode 1113 includes an ultraviolet light emitting diode chip and a blue light emitting material layer 23. The fourth led 1114 includes an uv led chip and a far-infrared light emitting material layer 30.
Alternatively, referring to fig. 3 and 4, the visible light emitting material layer 20 includes a fluorescent light emitting material layer or a quantum dot light emitting material layer. The far infrared light emitting material layer 30 includes a fluorescent light emitting material layer or a quantum dot light emitting material layer. The fluorescent light emitting material layer includes a fluorescent light emitting material. The quantum dot luminescent material layer comprises a quantum dot luminescent material which has a wide excitation spectrum and a narrow emission spectrum and has good light stability.
Optionally, referring to fig. 3 and 4, the led display panel further includes a plurality of driving circuits 40, and the driving circuits 40 are electrically connected to the leds 110 in a one-to-one correspondence. The driving circuit 40 may include a thin film transistor, which may include a gate electrode, a source electrode, a drain electrode, and a semiconductor layer, and the source electrode or the drain electrode of the thin film transistor in the driving circuit 40 may be electrically connected to the light emitting diode 110. The driving circuit 40 is used for controlling the light emitting state of the light emitting diode 110.
Illustratively, referring to fig. 3 and 4, the first light emitting diode 1111 is electrically connected to one driving circuit 40, the second light emitting diode 1112 is electrically connected to one driving circuit 40, the third light emitting diode 1113 is electrically connected to one driving circuit 40, and the fourth light emitting diode 1114 is electrically connected to one driving circuit 40. The light emitting diodes 110 in the light emitting diode display panel may be driven in an active manner. The light emitting diodes 110 in the led display panel may be electrically connected to the driving circuit 40 by flip-chip bonding, so as to increase the connection firmness between the light emitting diodes 110 and the driving circuit 40.
Optionally, referring to fig. 2, 3 and 4, the led display panel further includes a substrate 50, and the substrate 50 is used for carrying a plurality of leds 110. The light emitting diode 110 may be positioned between the substrate 50 and the driving circuit 40.
Fig. 5 is another enlarged schematic structure diagram of the pixel shown in fig. 1, and referring to fig. 5, a first light emitting diode 1111, a second light emitting diode 1112, a third light emitting diode 1113, and a fourth light emitting diode 1114 are arranged in a row. The embodiment of the present invention does not limit the arrangement of the plurality of light emitting diodes 110 in the pixel 100.
The embodiment of the utility model provides a still provide a display device, fig. 6 does the utility model provides a display device's schematic structure diagram, as shown in fig. 6, the utility model provides a display device includes the utility model discloses arbitrary embodiment display panel 200, it can be as shown in fig. 6 in the cell-phone, also can be for computer, TV set, intelligent wearing equipment etc. the embodiment of the utility model provides a do not specially to this and restrict.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The light-emitting diode display panel is characterized by comprising a plurality of pixels arranged in an array, wherein each pixel comprises a plurality of light-emitting diodes which comprise light-emitting diode chips;
the plurality of light emitting diodes include a visible light emitting diode for emitting visible light and a far infrared light emitting diode for emitting far infrared light;
at least part of the visible light emitting diode comprises a visible light emitting material layer, the visible light emitting material layer is positioned on the light emitting side of the light emitting diode chip, and the light emitting diode chip irradiates the visible light emitting material layer to emit visible light;
each far infrared emitting diode includes far infrared light luminescent material layer, far infrared light luminescent material layer is located the light-emitting side of emitting diode chip, emitting diode chip shines far infrared light luminescent material layer transmission far infrared light.
2. The led display panel of claim 1, wherein the led chips are blue led chips, the blue led chips emitting blue light.
3. The LED display panel of claim 2 wherein the plurality of layers of visible light-emitting material includes a layer of red light-emitting material and a layer of green light-emitting material, the blue LED chip illuminating the layer of red light-emitting material to emit red light and the blue LED chip illuminating the layer of green light-emitting material to emit green light.
4. The led display panel of claim 1, wherein the led chips are uv led chips that emit uv light.
5. The LED display panel of claim 4, wherein the plurality of layers of visible light emitting material includes a layer of red light emitting material, a layer of green light emitting material, and a layer of blue light emitting material, the UV LED chip illuminating the layer of red light emitting material to emit red light, the UV LED chip illuminating the layer of green light emitting material to emit green light, and the UV LED chip illuminating the layer of blue light emitting material to emit blue light.
6. The LED display panel of claim 1, wherein each of the pixels comprises a first LED, a second LED, a third LED and a fourth LED, the first LED, the second LED and the third LED are the visible light LEDs, the first LED, the second LED and the third LED respectively emit red light, green light and blue light; the fourth light emitting diode is the far infrared light emitting diode.
7. The light-emitting diode display panel according to claim 6, wherein the first light-emitting diode, the second light-emitting diode, the third light-emitting diode, and the fourth light-emitting diode are arranged in a row; alternatively, the first and second electrodes may be,
the first, second, third, and fourth light emitting diodes are arranged in a 2 x 2 matrix.
8. The light-emitting diode display panel according to claim 1, wherein the visible light-emitting material layer comprises a phosphor layer or a quantum dot light-emitting material layer;
the far infrared light emitting material layer comprises a fluorescent light emitting material layer or a quantum dot light emitting material layer.
9. The led display panel of claim 1, further comprising a plurality of driving circuits, wherein the driving circuits are electrically connected to the leds in a one-to-one correspondence.
10. A display device comprising the light emitting diode display panel according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921041783.2U CN210110770U (en) | 2019-07-04 | 2019-07-04 | Light-emitting diode display panel and display device |
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| CN201921041783.2U CN210110770U (en) | 2019-07-04 | 2019-07-04 | Light-emitting diode display panel and display device |
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| CN210110770U true CN210110770U (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211988A (en) * | 2019-07-04 | 2019-09-06 | 深圳市思坦科技有限公司 | A kind of LED display panel and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211988A (en) * | 2019-07-04 | 2019-09-06 | 深圳市思坦科技有限公司 | A kind of LED display panel and display device |
| WO2021000382A1 (en) * | 2019-07-04 | 2021-01-07 | 深圳市思坦科技有限公司 | Light-emitting diode display panel and display device |
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