CN103676220B - Display device and its manufacture method - Google Patents
Display device and its manufacture method Download PDFInfo
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- CN103676220B CN103676220B CN201210328419.0A CN201210328419A CN103676220B CN 103676220 B CN103676220 B CN 103676220B CN 201210328419 A CN201210328419 A CN 201210328419A CN 103676220 B CN103676220 B CN 103676220B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Abstract
The present invention provides a kind of display device and its manufacture method.The display device includes a display panel, and the ratio of a green energy of the light that display panel is sent in highest GTG and a blue energy is between 0.7 and 1.2, and corresponding to the light on CIE 1931xy chromatic diagrams, blue color point coordinate（x,y）Scope is between equation y=168.72x2+ 50.312x 3.635 and equation y=168.72x2Between+63.81x 5.9174, and y is between 0.04 and 0.08.
Description
Technical field
The present invention is on a kind of display device, especially in regard to a kind of display device and its manufacture method.
Background technology
Because display device has the advantageous characteristics such as frivolous build, low power consumption and Low emissivity, gradually substitute
Conventional cathode ray tube（Cathode Ray Tube,CRT）Display device, and apply to various electronic product.
In the design of display device, color taste is a critically important design factor, and it can pass through chromatic diagram
Specifically present, such as a display panel, its light sent can be corresponded to the chromatic diagrams of a CIE 1931, and in color
Spend in figure, three primary colors（It is blue, green and red）All there are its corresponding color dot, i.e. the three of chromatic triangle summit.Relatively popularize at present
Chromaticity specification be sRGB, the coordinate of its blue color point in the chromatic diagrams of CIE 1931 is（0.15,0.06）, green color point
Coordinate is（0.3,0.6）, the coordinate of red color point is（0.64,0.33）.Sat if three primary colors color dot deviates sRGB standard color dot
Mark is too many, then the image color for representing display panel is lost really possible and makes picture poor display, so that user's viewing
Quality reduces.
Therefore, a kind of display device how is provided, the chromatic diagram corresponding to its light sent enables to three primary colors
Color dot maintains in preferable scope always, and lifts display quality and product competitiveness, actually one of current important topic.
The content of the invention
In view of above-mentioned problem, the purpose of the present invention is to provide a kind of display device and its manufacture method, what it was sent
Chromatic diagram corresponding to light enables to three primary colors color dot to maintain always in preferable ratio and scope, and is lifted and show picture
Face quality.
For the above-mentioned purpose, a kind of display device according to the present invention includes a display panel, what display panel was sent
Light, in highest GTG（With for 8-bit color ranges for 255 GTGs）Under conditions of gained coloured light energy a green energy with
In the blue energy obtained by highest GTG ratio between 0.7 and 1.2, and CIE 1931xy colourities corresponding to the light
On figure, blue color point coordinate（x,y）Scope is between equation y=- 168.72x2+ 50.312x-3.635 and equation y=-
168.72x2Between+63.81x-5.9174, and y is between 0.04 and 0.08.
In one embodiment, green color point coordinate（x,y）Scope is between equation y=- 48.85x2+22.964x-2.0014
With equation y=- 48.85x2Between+26.872x-2.9981, and y is between 0.58 and 0.64.
In one embodiment, green color point coordinate（x,y）Scope is between equation y=- 48.85x2+22.964x-2.0014
With equation y=- 48.85x2Between+26.872x-2.9981, and y is between 0.64 and 0.7.
In one embodiment, under conditions of highest GTG, the ratio of green energy and blue energy more between 0.8 with
Between 1.1.
In one embodiment, under conditions of highest GTG, a red energy of light is situated between with the ratio of the blue energy
Between 0.49 and 0.75.
In one embodiment, under conditions of highest GTG, the ratio of red energy and the blue energy more between 0.5 with
Between 0.7.
In one embodiment, red color point coordinate（x,y）Scope is between equation y=- 2.021x2+2.1871x-0.2218
With equation y=- 2.021x2Between+2.1871x-0.2618, and x is between 0.62 and 0.66.
In one embodiment, red color point coordinate（x,y）Scope is between equation y=- 2.021x2+2.1871x-0.2218
With equation y=- 2.021x2Between+2.1871x-0.2618, and x is between 0.66 and 0.68.
In one embodiment, display panel is a liquid crystal display panel, a quantum dot display panel or an organic light emission two
Pole pipe display panel.
In one embodiment, organic LED display panel includes a substrate and a luminescent layer, luminescent layer are arranged at
On substrate and there is multiple red luminous zones, multiple green luminous zones and multiple blue luminous zones.
In one embodiment, organic LED display panel includes a substrate, a luminescent layer and a filter layer, hair
Photosphere is arranged on substrate and sends white light, and filter layer is arranged on luminescent layer and with multiple red filter areas, multiple green optical filterings
Area and multiple blue filter areas.
In one embodiment, green energy to should light a green glow frequency spectrum an integral area, blue energy is corresponding
One integral area of one blue light frequency spectrum of the light.
In one embodiment, red energy to should light a feux rouges frequency spectrum an integral area.
For the above-mentioned purpose, the manufacture method according to a kind of display device of the invention, including：Form a display panel；
And make a green energy of light that the display panel sent in highest GTG and the ratio of a blue energy between 0.7 with
Between 1.2, and corresponding to the light on CIE 1931xy chromatic diagrams, blue color point coordinate（x,y）Scope between equation y=-
168.72x2+ 50.312x-3.635 and equation y=- 168.72x2Between+63.81x-5.9174, and y is between 0.04 and 0.08
Between.
From the above, in the display device and its manufacture method of the present invention, light that display panel is sent, in highest
Measured a green energy of coloured light energy and the ratio of a blue energy are limited between 0.7 and 1.2 under conditions of GTG,
In this way, corresponding to the light on the xy chromatic diagrams of CIE 1931, blue color point coordinate（x,y）Scope between equation y=-
168.72x2+ 50.312x-3.635 and equation y=- 168.72x2Between+63.81x-5.9174, and y is between 0.04 and 0.08
Between.The scope of above-mentioned color dot is to belong to preferable scope, and this causes the display quality of the display device of the present invention to get a promotion.
Brief description of the drawings
The schematic diagram of one intensity spectrum of the light that Fig. 1 is sent by a kind of display panel of present pre-ferred embodiments；
The xy chromatic diagrams of a CIE 1931 corresponding to the light that Fig. 2 is sent by the display panel of present pre-ferred embodiments
Schematic diagram；
Fig. 3 is the schematic diagram that the display panel of present pre-ferred embodiments is a liquid crystal display panel；
Fig. 4 is the schematic diagram that the display panel of present pre-ferred embodiments is a quantum dot display panel；
Fig. 5 is the schematic diagram that the display panel of present pre-ferred embodiments is an organic LED display panel；With
And
Fig. 6 is a kind of flow chart of the manufacture method of display device of present pre-ferred embodiments.
Drawing reference numeral：
1、2、3：Display panel
11：First substrate
12：Second substrate
121：Chromatic filter layer
13：Liquid crystal layer
21、31：Substrate
22：Quantum dot light emitting layer
32：Luminescent layer
33：Filter layer
331：Red filter area
332：Green filter area
333：Blue filter area
B：Blue region
G：Green area
R：Red color area
S01、S02：The step of manufacture method
Embodiment
Hereinafter with reference to correlative type, illustrate a kind of display device and its manufacture method according to present pre-ferred embodiments,
Wherein identical element will be illustrated with identical reference marks.
The present invention does not limit the species of display device, and it may be, for example, liquid crystal display device, quantum dot display device or has
Machine light emitting display device.
In a preferred embodiment of the present invention, display device includes a display panel, and display panel may be, for example, a liquid crystal
Display panel, a quantum dot display panel or an organic LED display panel.The light that display panel is sent, in most
High gray（With for 8bit color ranges for 255 GTGs）Under conditions of coloured light energy a green energy and a blue energy ratio
Value（Green energy is relative to blue energy ratio）Between 0.7 and 1.2.The last one for the light that Fig. 1 is sent by display panel
Spend the schematic diagram of frequency spectrum（Its y-axis intensity is arbitrary unit）, wherein intensity spectrum include a green glow frequency spectrum, a blue light frequency spectrum and
One feux rouges frequency spectrum.This green glow frequency spectrum refers to when display panel only shows green highest GTG（Such as 255 GTG）Picture when institute
The frequency spectrum obtained.This feux rouges frequency spectrum refers to when display panel only shows red highest GTG（Such as 255 GTG）Picture when gained
Frequency spectrum.This blue light frequency spectrum refers to when display panel only shows blue highest GTG（Such as 255 GTG）Picture when obtained by
Frequency spectrum.In this, green energy is an integral area of corresponding green glow frequency spectrum（That is the area under a curve of green glow frequency spectrum）, blue energy
Amount is an integral area of corresponding blue light frequency spectrum（That is the area under a curve of blue light frequency spectrum）.In addition, when design requirement is more to connect
During nearly sRGB specifications, preferably be the ratio of green energy and blue energy（Green energy is relative to blue energy ratio）It is designed as
Between 0.8 and 1.1, so position of the blueness with green color point on CIE coordinates can be closer to the position of sRGB institutes specification.
A CIE 1931xy chromatic diagrams corresponding to the light that Fig. 2 is sent by the display panel of the present embodiment.In chromatic diagram
On, display panel emitted light is in highest GTG（Such as 255 GTG）Under conditions of measured coloured light energy meet it is foregoing
During proportion, the light that the display panel is sent is in the blue color point coordinate on chromatic diagram（x,y）Scope is between equation y
=-168.72x2+50.312x-3.635（Equation A）With equation y=- 168.72x2+63.81x-5.9174（Equation B）It
Between, and wherein y can thereby lift display quality between 0.04 and 0.08, maintain the color of display panel to sample.
In addition, display panel emitted light is in highest GTG（Such as 255 GTG）Under conditions of measured coloured light energy
When amount meets aforementioned ratio scope, the light that the display panel is sent is in the green color point coordinate on chromatic diagram（x,y）Scope is
Between equation y=- 48.85x2+22.964x-2.0014（Equation C）With equation y=- 48.85x2+26.872x-2.9981
（Equation D）Between, and wherein y is between 0.58 and 0.64.In addition, the coloured light color model that also visual Demand Design shows
The color saturation that encloses is higher, solid color performance is more bright-coloured, that is, the situation of high colour gamuts of the NTSC more than or equal to 80%, this
When green color point y-coordinate scope preferably between 0.64 and 0.7.
Referring again to the light that shown in Fig. 1, display panel is sent in highest GTG（Such as 255 GTG）Under conditions of institute
One red energy of the coloured light energy measured and the ratio of blue energy（Red energy is relative to blue energy ratio）It may be designed as
Between 0.49 and 0.75.In this, red energy is an integral area of the feux rouges frequency spectrum shown in corresponding diagram 1（That is feux rouges frequency
The area under a curve of spectrum）.In addition, when design requirement is closer to sRGB specifications, preferably be red energy and blue energy
The ratio of amount（Red energy is relative to blue energy ratio）It is designed as between 0.5 and 0.7, so blueness exists with red color point
Position on CIE coordinates can be closer to the position of sRGB institutes specification.
Based on above-mentioned design, it refer to shown in Fig. 2, display panel emitted light is in highest GTG（Such as 255 GTG）
Under conditions of measured coloured light energy when aforementioned ratio scope is met, the light that the display panel is sent is on chromatic diagram
Red color point coordinate（x,y）Scope is between equation y=- 2.021x2+2.1871x-0.2218（Equation E）With equation y
=-2.021x2+2.1871x-0.2618（Equation F）Between, and wherein x is between 0.62 and 0.66.It can thereby be lifted aobvious
Show quality and color taste.In addition, in high colour gamut applications of the NTSC more than or equal to 80%, the x coordinate scope of red color point is preferable
Can be between 0.66 and 0.68.Its green energy is relative to the ratio of blue energy with red energy relative to blue energy
The design condition of ratio can separately or concurrently be set up.
In the present invention, display panel can have a variety of change aspects, and some of display panel illustrated below implement state
Sample.
Fig. 3 is that the display panel 1 of present pre-ferred embodiments is the schematic diagram of a liquid crystal display panel.Display panel 1 wraps
Include a first substrate 11, a second substrate 12 and a liquid crystal layer 13.The thin film transistor base plate in this way of first substrate example 11, second
Substrate 12 is, for example, colored optical filtering substrates, and liquid crystal layer 13 is arranged between first substrate 11 and second substrate 12.First substrate 11
Glass substrate, transparent acrylic substrate or flexible base plate can be used with second substrate 12, or use touch-control（Touch）Substrate.
In this aspect, second substrate 12 includes a chromatic filter layer 121, it include a blue filter portion, a green filter portion and
One red filter portion.When the light penetration blue filter portion emitted by the backlight module of liquid crystal display device, display can be formed
The blue energy of the light of panel 1, and can be presented by the blue light frequency spectrum of light；When emitted by the backlight module of liquid crystal display device
Light penetration green filter portion when, the green energy of the light of display panel 1 can be formed, and can be in by the green glow frequency spectrum of light
It is existing；When the light penetration red filter portion emitted by the backlight module of liquid crystal display device, the light of display panel 1 can be formed
Red energy, and can by light feux rouges frequency spectrum present.
The calculation of blue, green, the red light energy of display panel is：
Blue light energy
Green energy
Red energies
Wherein BLU（λ）Represent the Energy distribution frequency spectrum of backlight；BCF（λ）Represent blue filter portion penetrates frequency spectrum, GCF
（λ）Represent green filter portion penetrates frequency spectrum, RCF（λ）Represent red filter portion penetrates frequency spectrum；CELL（λ）Represent display surface
Plate deducts chromatic filter layer（CF）Liquid crystal afterwards penetrates frequency spectrum, and λ is wavelength, and 380 and 780 refer to the wavelength model for calculating this integration
Enclose, it integrates the blue and green light of gained, Red energies unit is light watt.From the foregoing, it will be observed that backlight can be changed by Separate designs
BLU（λ）, each color optical filtering portion CF（λ）Or liquid crystal penetrates frequency spectrum CELL（λ）Or the difference arranged in pairs or groups mutually, to adjust each color
Energy variation.
Because energy be can be by designing optical filtering portion CF（λ）Penetrate frequency spectrum to adjust, so can be by adjusting optical filtering portion
Material category（Such as R254, R177, G7, G36, G58, Y150, Y138, Y139, B15:6 etc.）And its percentage by weight adjusts
Energy variation, such as design blue color filter layer penetrate spectrum peak between 440nm between 470nm, and green color filter is worn
Saturating spectrum peak between 550nm, and adjusts green energy of display panel when highest GTG relative to blue light between 500nm
The ratio of energy is between 0.7 to 1.2 so that blue color point is in the blue color point coordinate on CIE1931 xy chromatic diagrams（x,
y）Scope is between equation y=- 168.72x2+50.312x-3.635（Equation A）With equation y=- 168.72x2+
63.81x-5.9174（Equation B）Between, and wherein y is between 0.04 and 0.08；Also so that green color point coordinate（x,y）
Scope is between equation y=- 48.85x2+22.964x-2.0014（Equation C）With equation y=- 48.85x2+26.872x-
2.9981（Equation D）Between, and wherein y is between 0.58 and 0.64.
When design requirement be closer to sRGB specifications when, green energy relative to blue light energy ratio preferably between
Between 0.8 to 1.1.Also the color saturation for the coloured light color gamut that visual Demand Design shows is higher, solid color performance
It is more bright-coloured, that is, the situation of high colour gamuts of the NTSC more than or equal to 80%, in meeting ratio of the green energy relative to blue light energy
Scope, now the y-coordinate scope of green color point is preferably between 0.64 and 0.7.
And the ratio of red energy and blue energy equally can be adjusted between 0.49 and 0.75 so that red color point
Coordinate（x,y）Scope is between equation y=- 2.021x2+2.1871x-0.2218（Equation E）With equation y=- 2.021x2+
2.1871x-0.2618（Equation F）Between, and wherein x is between 0.62 and 0.66.And when design requirement is closer
During sRGB specifications, preferably be that the ratio for adjusting red energy and blue energy is designed as between 0.5 and 0.7.Yu Gaose
In the application of domain, the x coordinate scope of red color point preferably can be between 0.66 and 0.68.
Also can be by designing backlight BLU（λ）To adjust energy proportion.For example, when backlight is that blue led collocation is red
With green emitting phosphor species when, its backlight has a frequency spectrum, by the material category or its weight percent that change fluorescent material
Than, or changing the electric current of input backlight, the peak value for designing blue light is generally between 440nm between 470nm, green emitting phosphor
The peak value of radiation spectra be generally between 500nm to 550nm, the peak value of the radiation spectra of red fluorescence powder is generally between 600nm
To 660nm；Or such as backlight be blue led arrange in pairs or groups yellow fluorescent powder when, also can be by changing the material category of fluorescent material
Or its percentage by weight, or changing the electric current of input backlight, the peak value of its blue waveform is generally between 440nm to 470nm
Between, the peak value of the radiation spectra of yellow fluorescent powder is generally between 550nm to 570nm, to adjust under the highest GTG of each color
Red energies and blue light energy ratio so that it is located in above-mentioned scope of design in chromaticity coordinate.Green energy and blue light
The ratio adjustment of energy is as the same, is repeated no more in this.
In addition, the liquid crystal that can also design different colours pixel penetrates frequency spectrum CELL（λ）Or the mutual collocation of above-mentioned condition comes
Energy proportion is adjusted, complies with above-mentioned scope of design, is repeated no more in this.
The display panel 1 of the present invention can also apply other technologies and have different change aspects, such as can be by colorized optical filtering
Layer is arranged at the side of thin film transistor (TFT) array（Color filter on array, COA）Or thin film transistor (TFT) array is set
It is placed on colored optical filtering substrates（TFT on CF, also known as TOC or array on CF）.The second substrate 12 of first substrate 11 and one
Also transparent acrylic substrate or flexible base plate can be used.Its blue energy can with red energy with green energy or blue energy
Designed according to foregoing condition, color dot is repeated no more in being located in CIE1931 chromaticity coordinates in certain limit in this.
Fig. 5 is that the display panel 3 of present pre-ferred embodiments is a kind of Organic Light Emitting Diode（OLED）Display panel
Schematic diagram.Display panel 3 includes a substrate 31, a luminescent layer 32 and a filter layer 33, luminescent layer 32 and sends white light, filter layer
33 have multiple red filter areas 331, multiple green filter areas 332 and multiple blue filter areas 333.Substrate 31 and offside substrate（Figure
Do not show）Glass substrate, transparent acrylic substrate or flexible base plate can be used, or covered using touch base plate, or using diaphragm
Lid.In this aspect, when the white light of luminescent layer 32 penetrates red filter area 331, the red energy of the light of display panel 3 can be formed
Amount, it can be presented by the feux rouges frequency spectrum of light；When the white light of luminescent layer 32 penetrates green filter area 332, display panel 3 can be formed
Light green energy, its can by light green glow frequency spectrum present；When the white light of luminescent layer 32 penetrates blue filter area 333,
The blue energy of the light of display panel 3 can be formed, it can be presented by the blue light frequency spectrum of light.Wherein this feux rouges frequency spectrum refers to work as
Display panel only shows red highest GTG（Such as 255 GTG）Picture when obtained by frequency spectrum.This green glow frequency spectrum refers to when aobvious
Show that panel 3 only shows green highest GTG（Such as 255 GTG）Picture when obtained by frequency spectrum.This blue light frequency spectrum refers to when display
Panel only shows blue highest GTG（Such as 255 GTG）Picture when obtained by frequency spectrum.
In this embodiment, the energy change of its each color, can by the design of filter layer or the design of luminescent layer or
It is arranged in pairs or groups, to adjust ratio of the green energy relative to blue energy or red energy relative to blue energy, make its between
In above-mentioned scope of design.For example, the material category of filter layer can be designed（Such as R254, R177, G7, G36, G58, Y150,
Y138、Y139、B15:6 etc.）Or its percentage by weight, that designs blue color filter layer penetrates spectrum peak between 440nm to 470nm
Between, green color filter penetrates spectrum peak between 500nm between 550nm, and adjusts display panel in each color most
During high gray so that green energy relative to blue light energy ratio between 0.7 to 1.2 so that blue color point in
Blue color point coordinate on CIE1931xy chromatic diagrams（x,y）Scope is between equation y=- 168.72x2+50.312x-3.635
（Equation A）With equation y=- 168.72x2+63.81x-5.9174（Equation B）Between, and wherein y is between 0.04 and 0.08
Between；And green color point coordinate（x,y）Scope is between equation y=- 48.85x2+22.964x-2.0014（Equation C）With
Equation y=- 48.85x2+26.872x-2.9981（Equation D）Between, and wherein y is between 0.58 and 0.64.Green glow energy
Amount is relative to blue light energy ratio preferably between 0.8 to 1.1.Also the coloured light color gamut that visual Demand Design shows
Color saturation is higher, solid color performance is more bright-coloured, that is, the situation of high colour gamuts of the NTSC more than or equal to 80%, in symbol
Close foregoing green energy relative to blue light energy ratio in the range of, now the y scopes of green color point preferably between 0.64 and 0.7
Between.
Or the material or its percentage by weight of luminescent layer can be for example designed, or adjust it and input the curent change of luminescent layer,
Make the intensity spectrum of its luminescent layer in blue light components peak value between 440nm between 470nm, green portions peak value is between 500nm
To between 550nm, red light portion peak value between 660nm, and adjusts ratio of the red energy relative to blue energy between 600nm
Value is between 0.49 and 0.75 so that red color point coordinate（x,y）Scope is between equation y=- 2.021x2+2.1871x-
0.2218（Equation E）With equation y=- 2.021x2+2.1871x-0.2618（Equation F）Between, and wherein x is between 0.62
Between 0.66.Blue color point repeats no more in above-mentioned scope of design in this.When design requirement is closer to sRGB specifications
When, preferably be red energy relative to the ratio of blue energy it is between 0.5 and 0.7.It is red in the application of high colour gamut
The x scopes of color dot preferably can be between 0.66 and 0.68.
In blueness, green, red each self luminous Organic Light Emitting Diode（OLED）Display panel embodiment（It is not shown）
When, the material for changing colour light emitting layer out of the ordinary or its percentage by weight or input luminescent layer curent change etc. can be also designed, makes hair
The luminous intensity frequency spectrum of photosphere in blue light components peak value between 440nm between 470nm, green portions peak value between 500nm extremely
Between 550nm, red light portion peak value between 660nm, and adjusts green energy relative to blue energy or red between 600nm
Energy makes it to be designed in color point coordinates on chromatic diagram according to foregoing condition relative to the ratio range of blue energy, therefore
Repeated no more in this.
Fig. 4 is that the display panel 2 of present pre-ferred embodiments is a quantum dot（Quantum Dot）The signal of display panel
Figure.Display panel 2 includes a substrate 21 and a quantum dot light emitting layer 22, and quantum dot light emitting layer 22 has multiple red color area R, multiple
Green area G and multiple blue region B, these described colored blocks are to be arranged at intervals.Display panel has more a pair of side base plates（Figure
Do not show）, glass substrate, transparent acrylic substrate or flexible base plate can be used with offside substrate in substrate 21, or uses touch-control base
Plate, or covered using diaphragm.In this aspect, when the light sent via red color area R can form the light of display panel 2
Red energy, and can by light feux rouges frequency spectrum present；The light that green area G is sent can form the light of display panel 2
Green energy, and can by light green glow frequency spectrum present；The light that blue region B is sent can form the light of display panel 2
Blue energy, and can by light blue light frequency spectrum present.Wherein this feux rouges frequency spectrum refers to when display panel only shows red most
High gray（Such as 255 GTG）Picture when obtained by frequency spectrum.This green glow frequency spectrum refers to when display panel 2 only shows green highest
GTG（Such as 255 GTG）Picture when obtained by frequency spectrum.This blue light frequency spectrum refers to when display panel only shows blue highest ash
Rank（Such as 255 GTG）Picture when obtained by frequency spectrum.
The material category or its percentage by weight of the quantum dot light emitting layer of color out of the ordinary can be designed, or changes input quantum
The electric current of point luminescent layer, make the intensity spectrum of quantum dot light emitting layer in blue light components peak value between 440nm between 470nm, it is green
For light Partial peaks between 500nm between 550nm, red light portion peak value between 660nm, and adjusts green energy between 600nm
Amount relative to the ratio range of blue energy and makes it can in color point coordinates on chromatic diagram relative to blue energy or red energy
Design according to foregoing condition, repeated no more in this.
Fig. 6 is a kind of flow chart of the manufacture method of display device of present pre-ferred embodiments, and it includes：It is aobvious to form one
Show panel（Step S01）；And a green energy of the light that the display panel is sent in highest GTG is adjusted relative to one
The ratio of blue energy causes corresponding to the light on CIE 1931xy chromatic diagrams, blue color point between 0.7 and 1.2
Coordinate（x,y）Scope is between equation y=- 168.72x2+ 50.312x-3.635 and equation y=- 168.72x2+63.81x-
Between 5.9174, and y is between 0.04 and 0.08（Step S02）.Display panel may be, for example, a liquid crystal display panel, an amount
Son point display panel or an organic LED display panel.In highest GTG, green energy relative to blue energy ratio
Value can be more between 0.8 and 1.1.In highest GTG, a red energy of the light can be situated between relative to the ratio of blue energy
Between 0.49 and 0.75.In highest GTG, red energy can be more between 0.5 and 0.7 relative to the ratio of blue energy.
Because the other technical characteristics of the manufacture method of the display device of the present embodiment have been described in detail in above-described embodiment in the lump, therefore in this not
Repeat again.
In summary, in the display device and its manufacture method of the present invention, light that display panel is sent, in highest
Under conditions of GTG a green energy of measured coloured light energy relative to a blue energy ratio or a red energy
Being designed at may be such that in the scope of design of above-mentioned color dot relative to the ratio of a blue energy can in the chroma point in chromaticity coordinate
Close to sRGB standard coordinate value, this causes the display quality of the display device of the present invention to get a promotion.
Illustrative is the foregoing is only, rather than is restricted.Any spirit and scope without departing from the present invention, and it is entered
Capable equivalent modifications or change, it all should be included in scope of the claims.
Claims (16)
1. a kind of display device, it is characterised in that the display device includes：
One display panel, a green energy of its light sent in highest GTG is with the ratio of a blue energy between 0.7
Between 1.2, in highest GTG, the ratio of a red energy of the light and the blue energy between 0.49 and 0.75 it
Between, and corresponding to the light on CIE 1931xy chromatic diagrams, blue color point coordinate range is between equation y=-168.72x2+
50.312x-3.635 with equation y=-168.72x2Between+63.81x-5.9174, and y is between 0.04 and 0.08, institute
The integral area that green energy corresponds to a green glow frequency spectrum of the light is stated, the green glow frequency spectrum is when the display panel shows
Frequency spectrum obtained by when showing green glow highest grey menu, and the integral area of the green glow frequency spectrum is the green glow spectrum curve
Under area, the blue energy corresponds to an integral area of a blue light frequency spectrum of the light, and the blue light frequency spectrum is works as
The frequency spectrum obtained by when display panel shows blue light highest grey menu is stated, and the integral area of the blue light frequency spectrum is described
Area under blue light spectrum curve, the red energy corresponds to an integral area of a feux rouges frequency spectrum of the light, described red
Optical spectrum is the frequency spectrum obtained by when the display panel shows feux rouges highest grey menu, and the product of the feux rouges frequency spectrum
Facet product is the area under the feux rouges spectrum curve.
2. display device as claimed in claim 1, it is characterised in that green color point coordinate range is between equation y=-
48.85x2+ 22.964x-2.0014 and equation y=-48.85x2Between+26.872x-2.9981, and y is between 0.58 and 0.64
Between.
3. display device as claimed in claim 1, it is characterised in that green color point coordinate range is between equation y=-
48.85x2+ 22.964x-2.0014 and equation y=-48.85x2Between+26.872x-2.9981, and y is between 0.64 and 0.7
Between.
4. display device as claimed in claim 1, it is characterised in that in highest GTG, the green energy and blue energy
Ratio more between 0.8 and 1.1.
5. display device as claimed in claim 1, it is characterised in that in highest GTG, the red energy and the blueness
The ratio of energy is more between 0.5 and 0.7.
6. display device as claimed in claim 1, it is characterised in that red color point coordinate range is between equation y=-
2.021x2+ 2.1871x-0.2218 and equation y=-2.021x2Between+2.1871x-0.2618, and x is between 0.62 and 0.66
Between.
7. display device as claimed in claim 1, it is characterised in that red color point coordinate range is between equation y=-
2.021x2+ 2.1871x-0.2218 and equation y=-2.021x2Between+2.1871x-0.2618, and x is between 0.66 and 0.68
Between.
8. display device as claimed in claim 1, it is characterised in that the display panel is a liquid crystal display panel.
9. display device as claimed in claim 1, it is characterised in that the display panel is a quantum dot display panel.
10. display device as claimed in claim 1, it is characterised in that the display panel is that an Organic Light Emitting Diode shows
Show panel.
11. display device as claimed in claim 10, it is characterised in that the organic LED display panel includes one
Substrate and a luminescent layer, the luminescent layer are arranged on substrate and with multiple red luminous zones, multiple green luminous zones and multiple
Blue luminous zone.
12. display device as claimed in claim 10, it is characterised in that the organic LED display panel includes one
Substrate, a luminescent layer and a filter layer, the luminescent layer are arranged on substrate and send white light, and the filter layer is arranged at hair
On photosphere and there is multiple red filter areas, multiple green filter areas and multiple blue filter areas.
A kind of 13. manufacture method of display device, it is characterised in that including：
Form a display panel；And
Make the ratio of a green energy of the light that the display panel sent in highest GTG and a blue energy between 0.7
Between 1.2, in highest GTG, the ratio of a red energy of the light and the blue energy between 0.49 and 0.75 it
Between, and corresponding to the light on CIE 1931xy chromatic diagrams, blue color point coordinate range is between equation y=-168.72x2+
50.312x-3.635 with equation y=-168.72x2Between+63.81x-5.9174, and y is between 0.04 and 0.08, institute
The integral area that green energy corresponds to a green glow frequency spectrum of the light is stated, the green glow frequency spectrum is when the display panel shows
Frequency spectrum obtained by when showing green glow highest grey menu, and the integral area of the green glow frequency spectrum is the green glow spectrum curve
Under area, the blue energy corresponds to an integral area of a blue light frequency spectrum of the light, and the blue light frequency spectrum is works as
The frequency spectrum obtained by when display panel shows blue light highest grey menu is stated, and the integral area of the blue light frequency spectrum is described
Area under blue light spectrum curve, the red energy corresponds to an integral area of a feux rouges frequency spectrum of the light, described red
Optical spectrum is the frequency spectrum obtained by when the display panel shows feux rouges highest grey menu, and the product of the feux rouges frequency spectrum
Facet product is the area under the feux rouges spectrum curve.
14. the manufacture method of display device as claimed in claim 13, it is characterised in that in highest GTG, the green energy
The ratio of amount and blue energy is more between 0.8 and 1.1.
15. the manufacture method of display device as claimed in claim 13, it is characterised in that in highest GTG, the red energy
The ratio of amount and the blue energy is more between 0.5 and 0.7.
16. the manufacture method of display device as claimed in claim 13, it is characterised in that the display panel is a liquid crystal
Show panel, a quantum dot display panel or an organic LED display panel.
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| TWI601124B (en) | 2013-08-27 | 2017-10-01 | 群創光電股份有限公司 | Display apparatus |
| CN106423915B (en) * | 2016-10-12 | 2018-11-23 | 合肥彩虹蓝光科技有限公司 | A kind of method of testing, sorting color separation |
| US10325963B2 (en) * | 2017-02-24 | 2019-06-18 | Innolux Corporation | Display device |
| US10572747B2 (en) * | 2017-05-31 | 2020-02-25 | Innolux Corporation | Display apparatus |
| CN108333833B (en) * | 2018-03-08 | 2020-08-14 | 海信视像科技股份有限公司 | Color film substrate and manufacturing method thereof, display panel and display device |
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| CN107966848A (en) | 2018-04-27 |
| CN107966848B (en) | 2021-07-20 |
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