CN203895462U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN203895462U CN203895462U CN201420180274.9U CN201420180274U CN203895462U CN 203895462 U CN203895462 U CN 203895462U CN 201420180274 U CN201420180274 U CN 201420180274U CN 203895462 U CN203895462 U CN 203895462U
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- adds lustre
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- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 claims description 76
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Abstract
The utility model belongs to the display technical field, and specifically relates to a display panel and a display device; the display panel comprises a color film unit and a light source; the color film unit comprises a black matrix and color film layers; the black matrix is arranged in a grip; an area without being covered by the black matrix can form a sub-pixel area, and the color film layer is arranged in the sub-pixel area; the color film layer is provided with light intensify particles; the light intensify particles can be excited by light component, having different color from the color film layer, of white light emitted by the light source, thus emitting excitation light having same color with the color film layer; the excitation light and the white light emitted by the light source are color-filtered by the color film layer, and then commonly illuminate the display panel. The display panel can add different light intensify particles in the different color film layers of the color film unit, so light excitation effects of the light intensify particles can be used to increase a light transmitance of the sub-pixel area of corresponding color, thereby increasing the light transmitance of the display panel and improving light source utilization rate, and the brightness of the display panel can be enlarged.
Description
Technical field
The utility model belongs to Display Technique field, is specifically related to a kind of display floater and aobvious
Showing device.
Background technology
In recent years, panel display apparatus becomes current demonstration main flow.Current panel display apparatus mainly comprises liquid crystal (Liquid Crystal Display is called for short LCD) display unit, Organic Light Emitting Diode (Organic Light-Emitting Diode is called for short OLED) display unit and plasma display system etc.
Be illustrated in figure 1 the structural representation of existing display panels, it comprises backlight 9, color membrane substrates (it mainly comprises second substrate 6, black matrix 5 and red color rete 41, green tint rete 42 and blue color rete 43), array base palte (it mainly comprises first substrate 1, thin-film transistor 2) and is arranged at the liquid crystal 3 between color membrane substrates and array base palte.
Brightness is an important parameter of panel display apparatus, take liquid crystal indicator as example, in order to increase brightness, mode is to increase a back light source brightness, yet, along with the raising of back light source brightness, the raising that brings backlight cost on the one hand, causes the increase of display unit power consumption on the other hand; Another kind of mode is to improve light transmission rate, but at present, liquid crystal indicator realizes that combination that full-color demonstration normally relies on backlight and color membrane substrates realizes, the mode that color membrane substrates is as shown in Figure 1 combined with backlight, in backlight, only have 1/3 light to be utilized, loss is up to 2/3, and light efficiency and light transmission rate are all lower.
Utility model content
Technical problem to be solved in the utility model is for above shortcomings in prior art, and a kind of display floater and display unit are provided, and this display floater has higher light transmission rate and light source utilance is high, and brightness increases.
The technical scheme that solution the utility model technical problem adopts is this display floater, comprise color film unit and light source, described color film unit comprises black matrix and color rete, described black matrix distributes as net shape, and not by the formation sub-pixel area, region of described black Matrix cover, described color rete is arranged in described sub-pixel area, in described color rete, be provided with the particle that adds lustre to, the described particle that adds lustre to has the character of sending the exciting light identical with described color Film color that excites that is subject to light components different from the color of described color rete in white light that described light source sends, the described display floater of the common ejaculation of the outgoing luminous energy of the white light that described exciting light and described light source send after the color filtration of described color rete.
Preferably, described color rete comprises red color rete, green tint rete and blue color rete, the described particle that adds lustre to comprises green particle and the blueness particle that adds lustre to that adds lustre to, in the color rete of described redness, be provided with described green particle and the first blueness particle that adds lustre to that adds lustre to, the described green particle that adds lustre to is subject to exciting of green component to send ruddiness, and described the first blueness particle that adds lustre to is subject to exciting of blue light components to send ruddiness; And/or, in described green tint rete, being provided with the second blueness particle that adds lustre to, described the second blueness particle that adds lustre to is subject to exciting of blue light components to send green glow.
Preferably, the add lustre to particle size range of particle of described green is 3.5-5.0nm, and the add lustre to particle size range of particle of described the first blueness is 5.0-5.5nm; The add lustre to particle size range of particle of described the second blueness is 3.0-3.5nm.
Preferably, the described particle that adds lustre to adopts CdS, CdSe, CdTe, ZnO, ZnS, ZnSe or the ZnTe that comprises II-VI family, and the nano particle of the GaAs of III-V family, GaP, GaAs, GaSb, HgS, HgSe, HgTe, InAs, InP, InSb, AlAs, AlP or AlSb composition.
Preferably, the particle that adds lustre to described in adopts molecular beam epitaxy, Metalorganic Chemical Vapor Deposition, self-organizing growth pattern or colloid chemistry method to form.
Preferably, described display floater also comprises driving substrate, described color film unit and described driving substrate are oppositely arranged, the region division that described driving substrate is corresponding with described sub-pixel area has thin-film transistor, and described thin-film transistor is for controlling the described color rete of only no ejaculation that whether described light source is luminous or send.
Preferably, described thin-film transistor is a-Si thin-film transistor, oxide thin film transistor, low-temperature polysilicon film transistor or high temperature polysilicon thin-film transistor.
Preferably, described thin-film transistor comprises grid, source electrode and drain electrode, described light source is the light that white organic LED sends, described white organic LED is arranged at described driving substrate correspondence and in the region of described sub-pixel area, described color film unit is arranged at the bright dipping side of described white organic LED, and the anode of described white organic LED is electrically connected to the drain electrode of described thin-film transistor.
Preferably, described thin-film transistor comprises grid, source electrode and drain electrode, and described driving substrate correspondence in the region of described sub-pixel area and is also provided with pixel electrode, and described pixel electrode is electrically connected to the drain electrode of described thin-film transistor;
Described light source is the backlight that is provided with LED lamp, and described backlight is arranged at described driving substrate away from a side of described color film unit, and the light-emitting area of described LED lamp is towards described driving substrate;
Described display floater also comprises liquid crystal, and described liquid crystal is arranged between described color film unit and described driving substrate.
A display unit, comprises above-mentioned display floater.
The beneficial effects of the utility model are: in display floater of the present utility model, in color rete by the different colours at color film unit, add the different particles that adds lustre to, by the photostimulation of the particle that adds lustre to, make full use of the light that light source sends, increase the light transmission rate of the sub-pixel area of respective color, increase display floater light transmission rate, also improved the utilance (having improved light efficiency) of light source, the brightness of display floater is increased.
Accompanying drawing explanation
Fig. 1 is the structural representation of display floater in prior art;
Fig. 2 is the prize structural representation of film unit of the utility model embodiment 1;
Fig. 3 is the structural representation of display floater in the utility model embodiment 1;
Fig. 4 is the structural representation of display floater in the utility model embodiment 2.
In figure:
1-first substrate; 2-thin-film transistor; 3-liquid crystal; The red color rete of 41-; 42-green tint rete; 43-blue color rete; The black matrix of 5-; 6-second substrate; 7-WOLED device; The 81-green particle that adds lustre to; 82-the first blueness particle that adds lustre to; 83-the second blueness particle that adds lustre to; 9-backlight.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model display floater and display unit are described in further detail.
A kind of display floater, comprise color film unit and light source, described color film unit comprises black matrix and color rete, described black matrix distributes as net shape, and not by the formation sub-pixel area, region of described black Matrix cover, described color rete is arranged in described sub-pixel area, in described color rete, be provided with the particle that adds lustre to, the described particle that adds lustre to has the character of sending the exciting light identical with described color Film color that excites that is subject to light components different from the color of described color rete in white light that described light source sends, the described display floater of the common ejaculation of the outgoing luminous energy of the white light that described exciting light and described light source send after the color filtration of described color rete.
A display unit, comprises above-mentioned display floater.
In this display floater, in color rete by the different colours at color film unit, add the different particles that adds lustre to, by the photostimulation of the particle that adds lustre to, make full use of the light that light source sends, increase the light transmission rate of the sub-pixel area of respective color, increase display floater light transmission rate, also improved the utilance (having improved light efficiency) of light source, the brightness of display floater is increased.
Embodiment 1:
The present embodiment provides a kind of display floater, and this display floater at least comprises color film unit and light source.
In the present embodiment, as shown in Figure 2, color film unit comprises black matrix 5 and color rete, black matrix 5(Black Matrix, be called for short BM) distribute as net shape, and not by the formation sub-pixel area, region of black Matrix cover (sub-pixel unit of the corresponding formation of each subpixel area), color rete is arranged in sub-pixel area, in color rete, be provided with the particle that adds lustre to, the particle that adds lustre to has the shape of sending the exciting light identical with color Film color that excites that is subject to light components different from the color of color rete in white light that light source sends, the outgoing luminous energy of the white light that exciting light and light source send after the color filtration of color rete penetrates display floater jointly, the light transmission rate (light exit dose) of the light identical with the color of described color rete is increased.Wherein, sub-pixel unit comprises red (R), green (G), blue (B) sub-pixel unit, and in color film unit, black matrix 5, for isolating R, G, B sub-pixel unit, effectively reduces colour contamination bad.
In the present embodiment, the particle that adds lustre to is a kind of nano level light-emitting particles, after being excited, the certain energy of absorption can launch visible fluorescence, luminescent spectrum can be controlled by the add lustre to size of particle of change, and its fluorescence intensity and stability are all fine, high, the emission spectrum half-peak width of its efficiency simultaneously, only need be by the add lustre to chemical composition of particle or just can accurately control the light that inspires different wave length by the add lustre to size of particle of adjustment of replacing, thereby obtains the visible ray of different colours.Preferably, the particle that adds lustre to adopts CdS, CdSe, CdTe, ZnO, ZnS, ZnSe or the ZnTe that comprises II-VI family, and the nano particle of the GaAs of III-V family, GaP, GaAs, GaSb, HgS, HgSe, HgTe, InAs, InP, InSb, AlAs, AlP or AlSb composition.
Preferably, the particle that adds lustre to adopts molecular beam epitaxy (Molecular Beam Epitaxy, abbreviation MBE), Metalorganic Chemical Vapor Deposition (Metal-Organic Chemical Vapor Deposition, abbreviation MOCVD), self-organizing growth pattern (Stranski-Kranstanov is called for short S-K pattern) or colloid chemistry method form.
According to differences such as luminescent spectrum half-peak breadth, luminous crest and emission wavelengths, by regulating the proportioning of the particle that adds lustre to of different materials, or the proportioning of the particle that adds lustre to of adjusting different size obtains the light of different colours.In the present embodiment, display floater comprises that R(is red), G(is green), B(is blue) three primary colors, as shown in Figure 2, the color rete in color film unit comprises red color rete 41, green tint rete 42 and blue color rete 43, and the particle that adds lustre to comprises green particle and the blueness particle that adds lustre to that adds lustre to.Wherein, be provided with green particle 81 and the first blueness particle 82 that adds lustre to that adds lustre in red color rete 41, the green particle 81 that adds lustre to is subject to exciting of green component to send ruddiness, and the first blueness particle 82 that adds lustre to is subject to exciting of blue light components to send ruddiness; And/or, in green tint rete 42, be provided with the second blueness particle 83, the second bluenesss particle 83 that adds lustre to that adds lustre to and be subject to exciting of blue light components to send green glow.That is, in the color film unit of the present embodiment, can in the color rete 41 of redness and the color rete 42 of green glow, the particle that adds lustre to be set respectively, ruddiness exit dose and green glow exit dose are increased; Also can be only at the arbitrary middle setting of the color rete 41 of redness or the color rete 42 of the green glow particle that adds lustre to, only make ruddiness exit dose or the arbitrary of green glow exit dose be increased.
According to the definition of light transmission rate, through the light exit dose after color film and the ratio of light source emission measure, known, in same light source emission measure situation, in the present embodiment, ruddiness exit dose and the green glow exit dose exit dose in compared to existing technology is all increased, therefore ruddiness transmitance and green glow transmitance are all increased, and also make the light transmission rate of display floater in the present embodiment increase.
Through test and simulation test, in the display floater of the present embodiment, preferably the add lustre to particle size range of particle 81 of green is 3.5-5.0nm, and the add lustre to particle size range of particle 82 of the first blueness is 5.0-5.5nm; The add lustre to particle size range of particle 83 of the second blueness is 3.0-3.5nm.According to the difference of the color of color rete, by the add lustre to size of particle of adjusting, can reach and control the sent emission wavelength that excites that it is subject to green component in white light or blue light components, thereby obtain the visible ray of different colours.
As shown in Figure 3, display floater comprises color membrane substrates and array base palte, the color film unit that color membrane substrates mainly comprises second substrate 6 and is arranged at second substrate 6 tops, also, color membrane substrates comprises second substrate 6, black matrix 5 and red color rete 41, green tint rete 42, blue color rete 43; Array base palte mainly comprises first substrate 1, thin-film transistor 2 and the WOLED device 7 that is arranged at thin-film transistor 2 tops.Display floater in the present embodiment is WOLED(White Organic Light Emitting Device, white organic LED) panel, in this display floater, light source is the light that white organic LED (WOLED device) sends.OLED display floater possesses the many merits such as frivolous, wide visual angle, fast response time, high-contrast.
In the present embodiment, array base palte drives substrate, and color film unit is oppositely arranged with driving substrate, and thin-film transistor 2 is arranged at and drives the substrate region corresponding with sub-pixel area, and whether thin-film transistor 2 is luminous for controlling light source.
Optionally, thin-film transistor (Thin Film Transistor: be called for short TFT) can be a-Si thin-film transistor (a-Si TFT), oxide thin film transistor (oxide TFT), low-temperature polysilicon film transistor (LTPS-TFT) or high temperature polysilicon thin-film transistor (HTPS-TFT).To the type of drive of white organic LED (being WOLED device 7), can be passive matrix (Passive Matrix Organic Light Emission Display, be called for short PMOLED) type of drive and active matrix (Active Matrix Organic Light Emission Display is called for short AMOLED) type of drive.
In concrete annexation, thin-film transistor comprises grid, source electrode and drain electrode, light source is the light that white organic LED sends, white organic LED is arranged at and drives substrate correspondence in the region of sub-pixel area, color film unit is arranged at the bright dipping side of white organic LED, and color film unit makes light selecting performance that Organic Light Emitting Diode sends and appears display floater.Wherein, white organic LED at least comprises anode, luminescent layer and negative electrode, and luminescent layer generally adopts organic material to form, and the anode of white organic LED is electrically connected to the drain electrode of thin-film transistor.。
In the present embodiment, the particle that adds lustre to of display floater increases the principle of the light transmission rate of the light identical with the color of color rete and is: when the white light sending when WOLED device passes through color film unit, green in red color rete 41 particle 81 that adds lustre to is subject to exciting of green component to send ruddiness, the first blueness particle 82 that adds lustre to is subject to exciting of blue light components to send ruddiness, the exciting light (being ruddiness) that penetrates and jointly penetrate color film unit through the ruddiness of the color rete conversion of redness is stimulated, increase ruddiness exit dose, thereby reach the effect that increases ruddiness transmitance; In like manner, the particle 83 that adds lustre to of the second blueness in green tint rete 42 is subject to exciting of blue light components to send green glow, the be stimulated exciting light (being green glow) that penetrates and jointly penetrate color film unit through the green glow of green tint rete conversion, increases green glow exit dose, thereby reaches the effect that increases green glow transmitance; And in blue color rete 43 due to any particle that adds lustre to not being set, therefore only have the blue light through the conversion of blue color rete to penetrate color film unit.Penetrate the ruddiness, green glow of color film unit together with blue light, thereby realize the full-color demonstration of display floater.Because ruddiness exit dose and green glow exit dose include extra exciting light, ruddiness exit dose and green glow exit dose compared to existing technology are all increased, therefore ruddiness transmitance and green glow transmitance are all increased, and also make the whole light transmission rate of display floater in the present embodiment increase.
Visible, in the display floater of the present embodiment, in color rete by the different colours at color film unit, add the different particles that adds lustre to, by the photostimulation of the particle that adds lustre to, make full use of the light that white organic LED sends, increase the light transmission rate of the sub-pixel area of respective color, increase display floater light transmission rate, also improved the utilance (having improved light efficiency) of light source, the brightness of display floater is increased.
Embodiment 2:
The present embodiment provides a kind of display floater, and this display floater is display panels.
As shown in Figure 4, display floater comprises color membrane substrates and array base palte, the color film unit that color membrane substrates mainly comprises second substrate 6 and is arranged at second substrate 6 tops, also, color membrane substrates comprises second substrate 6, black matrix 5 and red color rete 41, green tint rete 42, blue color rete 43; The pixel electrode (not shown in Fig. 4) that array base palte mainly comprises first substrate 1, thin-film transistor 2 and is arranged at thin-film transistor 2 tops, is provided with liquid crystal 3(Liquid Crystal between color membrane substrates and array base palte, be called for short LC); Backlight 9 is arranged at and drives substrate away from a side of color film unit, and the light-emitting area of LED lamp is towards driving substrate.Wherein, light source is the backlight that is provided with LED lamp, and backlight is arranged at and drives substrate away from a side of color film unit, and the light-emitting area of LED lamp is towards driving substrate.
In the present embodiment, array base palte drives substrate, and color film unit is oppositely arranged with driving substrate, and thin-film transistor 2 is arranged at and drives the substrate region corresponding with sub-pixel area, the color rete of only no directive that thin-film transistor 2 sends for controlling light source.Wherein, thin-film transistor 2 comprises grid, source electrode and drain electrode, drives substrate correspondence in the region of sub-pixel area and is also provided with pixel electrode, and pixel electrode is electrically connected to the drain electrode of thin-film transistor.
In the display floater of the present embodiment, the prize structure of film unit of the structure of color film unit and embodiment 1 is identical, and the principle that the particle that adds lustre to increases light transmission rate is also identical with embodiment 1, repeats no more here.
In the display floater of the present embodiment, in color rete by the different colours at color film unit, add the different particles that adds lustre to, by the photostimulation of the particle that adds lustre to, red light component in backlight (R), green component (G), blue light components (B) are all utilized effectively, increase the light transmission rate of the sub-pixel area of respective color, increase display floater light transmission rate, also improved the utilance (having improved light efficiency) of light source, the brightness of display floater is increased.
Embodiment 3:
The present embodiment provides a kind of display unit, and this display unit comprises the display floater in embodiment 1 or embodiment 2.
This display unit can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, television set, display unit, notebook computer, DPF, navigator.
Therefore because the display floater in embodiment 1 or embodiment 2 has larger light transmission rate, brightness is larger, also makes to have adopted the display effect of display unit of corresponding display floater better.
Be understandable that, above execution mode is only used to principle of the present utility model is described and the illustrative embodiments that adopts, yet the utility model is not limited to this.For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection range of the present utility model.
Claims (10)
1. a display floater, comprise color film unit and light source, described color film unit comprises black matrix and color rete, described black matrix distributes as net shape, and not by the formation sub-pixel area, region of described black Matrix cover, described color rete is arranged in described sub-pixel area, it is characterized in that, in described color rete, be provided with the particle that adds lustre to, the described particle that adds lustre to has the character of sending the exciting light identical with described color Film color that excites that is subject to light components different from the color of described color rete in white light that described light source sends, the described display floater of the common ejaculation of the outgoing luminous energy of the white light that described exciting light and described light source send after the color filtration of described color rete.
2. display floater according to claim 1, it is characterized in that, described color rete comprises red color rete, green tint rete and blue color rete, the described particle that adds lustre to comprises green particle and the blueness particle that adds lustre to that adds lustre to, in the color rete of described redness, be provided with described green particle and the first blueness particle that adds lustre to that adds lustre to, the described green particle that adds lustre to is subject to exciting of green component to send ruddiness, and described the first blueness particle that adds lustre to is subject to exciting of blue light components to send ruddiness; And/or, in described green tint rete, being provided with the second blueness particle that adds lustre to, described the second blueness particle that adds lustre to is subject to exciting of blue light components to send green glow.
3. display floater according to claim 2, is characterized in that, the add lustre to particle size range of particle of described green is 3.5-5.0nm, and the add lustre to particle size range of particle of described the first blueness is 5.0-5.5nm; The add lustre to particle size range of particle of described the second blueness is 3.0-3.5nm.
4. display floater according to claim 1, it is characterized in that, the described particle that adds lustre to adopts CdS, CdSe, CdTe, ZnO, ZnS, ZnSe or the ZnTe that comprises II-VI family, and the nano particle of the GaAs of III-V family, GaP, GaAs, GaSb, HgS, HgSe, HgTe, InAs, InP, InSb, AlAs, AlP or AlSb composition.
5. display floater according to claim 4, is characterized in that, described in the particle that adds lustre to adopt molecular beam epitaxy, Metalorganic Chemical Vapor Deposition, self-organizing growth pattern or colloid chemistry method to form.
6. according to the display floater described in claim 1-5 any one, it is characterized in that, described display floater also comprises driving substrate, described color film unit and described driving substrate are oppositely arranged, the region division that described driving substrate is corresponding with described sub-pixel area has thin-film transistor, and described thin-film transistor is for controlling the described color rete of only no ejaculation that whether described light source is luminous or send.
7. display floater according to claim 6, is characterized in that, described thin-film transistor is a-Si thin-film transistor, oxide thin film transistor, low-temperature polysilicon film transistor or high temperature polysilicon thin-film transistor.
8. display floater according to claim 6, it is characterized in that, described thin-film transistor comprises grid, source electrode and drain electrode, described light source is the light that white organic LED sends, described white organic LED is arranged at described driving substrate correspondence and in the region of described sub-pixel area, described color film unit is arranged at the bright dipping side of described white organic LED, and the anode of described white organic LED is electrically connected to the drain electrode of described thin-film transistor.
9. display floater according to claim 6, it is characterized in that, described thin-film transistor comprises grid, source electrode and drain electrode, and described driving substrate correspondence in the region of described sub-pixel area and is also provided with pixel electrode, and described pixel electrode is electrically connected to the drain electrode of described thin-film transistor;
Described light source is the backlight that is provided with LED lamp, and described backlight is arranged at described driving substrate away from a side of described color film unit, and the light-emitting area of described LED lamp is towards described driving substrate;
Described display floater also comprises liquid crystal, and described liquid crystal is arranged between described color film unit and described driving substrate.
10. a display unit, is characterized in that, comprises the display floater described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180274.9U CN203895462U (en) | 2014-04-15 | 2014-04-15 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180274.9U CN203895462U (en) | 2014-04-15 | 2014-04-15 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895462U true CN203895462U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420180274.9U Expired - Lifetime CN203895462U (en) | 2014-04-15 | 2014-04-15 | Display panel and display device |
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| CN104849911A (en) * | 2015-06-03 | 2015-08-19 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| CN108333840A (en) * | 2018-03-08 | 2018-07-27 | 京东方科技集团股份有限公司 | A kind of substrate for display and preparation method thereof, liquid crystal display device |
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