CN114415415A - Display module and mobile terminal - Google Patents

Display module and mobile terminal Download PDF

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Publication number
CN114415415A
CN114415415A CN202210115722.6A CN202210115722A CN114415415A CN 114415415 A CN114415415 A CN 114415415A CN 202210115722 A CN202210115722 A CN 202210115722A CN 114415415 A CN114415415 A CN 114415415A
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China
Prior art keywords
light
color
light source
sub
source group
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CN202210115722.6A
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Chinese (zh)
Inventor
万广苗
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TCL Huaxing Photoelectric Technology Co Ltd
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TCL Huaxing Photoelectric Technology Co Ltd
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Priority to CN202210115722.6A priority Critical patent/CN114415415A/en
Publication of CN114415415A publication Critical patent/CN114415415A/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices

Abstract

The application discloses a display module and a mobile terminal, wherein the display module comprises a display panel and a backlight module; the display panel comprises a first color pixel subregion, a second color pixel subregion and a plurality of third color pixel subregions, and the dimming layer of the display panel comprises a light-transmitting part and a dimming part; the backlight module comprises a monochromatic light source group and a mixed color light source group, the monochromatic light source group emits first color light, the light emitted by the mixed color light source group at least comprises second color light and third color light, only the first color light emitted by the monochromatic light source group passes through the light transmission part and then emits from the first color pixel subregion of the display panel in the same time period, or only the light emitted by the mixed color light source group passes through the light modulation part and then emits from the second color pixel subregion and the third color pixel subregion of the display panel; this application is through the light source group who rationally sets up display panel's dimming layer and backlight unit for display module has higher light transmittance and higher efficiency.

Description

Display module and mobile terminal
Technical Field
The application relates to the technical field of display, in particular to a display module and a mobile terminal.
Background
In a conventional liquid crystal panel, an organic color film is used to filter light of a backlight generated by a backlight module, so as to form three primary colors of red, green and blue, thereby performing color display.
Since the organic color films with different colors only allow light in a partial waveband to pass through, the light loss rate in the display mode is high.
Therefore, a display panel with high light transmittance and high energy efficiency is needed.
Disclosure of Invention
The embodiment of the application provides a display module assembly and mobile terminal, display module assembly is through the light source group who rationally sets up printing opacity portion and backlight unit for display panel has higher light transmittance, and display module assembly's efficiency is higher.
The embodiment of the application provides a display module, which comprises a display panel and a backlight module, wherein the backlight module is arranged on the light emitting side far away from the display panel;
the display panel comprises a plurality of first color sub-pixel areas, a plurality of second color sub-pixel areas and a plurality of third color sub-pixel areas, and the display panel comprises a dimming layer, wherein the dimming layer comprises a light-transmitting part arranged corresponding to the first color sub-pixel areas and a dimming part arranged corresponding to the second color sub-pixel areas and the third color sub-pixel areas;
the backlight module comprises a monochromatic light source group and a mixed color light source group, the monochromatic light source group emits first color light, and the mixed color light source group emits light at least comprising second color light and third color light;
wherein, only the first color light emitted from the monochromatic light source group passes through the light-transmitting part and then is emitted from the first color sub-pixel region of the display panel in the same time period, or
Only the light rays emitted by the mixed color light source group pass through the light adjusting part and then are emitted from the second color sub-pixel area and the third color sub-pixel area of the display panel.
Optionally, the light adjusting portion includes a second color light adjusting film corresponding to each of the second color sub-pixel regions, and a third color light adjusting film corresponding to each of the third color sub-pixel regions.
Optionally, the mixed color light source group emits white light.
Optionally, the color mixing light source set includes a first light source sub-set and a second light source sub-set, the first light source sub-set emits light of a second color, and the second light source sub-set emits light of a third color.
Optionally, the light-transmitting portion includes a plurality of light-transmitting openings provided on the light-modulating film, and one of the light-transmitting openings corresponds to one of the first color sub-pixel regions.
Optionally, the light-transmitting portion includes a plurality of light-transmitting films, and one of the light-transmitting films is disposed corresponding to one of the first color sub-pixel regions.
The application also provides a display module, which comprises a display panel and a backlight module arranged on the light-emitting side far away from the display panel;
the display panel comprises a plurality of first color sub-pixel areas, a plurality of second color sub-pixel areas and a plurality of third color sub-pixel areas;
the backlight module comprises a first light source group, a second light source group and a third light source group, wherein the first light source group emits light rays with a first color, the second light source group emits light rays with a second color, and the third light source group emits light rays with a third color;
only the first color light emitted from the first light source group is emitted from the first color sub-pixel region of the display panel in the same time period, or
Only the second color light emitted from the second light source group is emitted from the second color sub-pixel region of the display panel, or
And only the third color light emitted by the third light source group is emitted from the third color sub-pixel area of the display panel.
Optionally, the display panel includes a non-transmissive region, and the non-transmissive region divides the display panel into a plurality of first color sub-pixel regions, a plurality of second color sub-pixel regions, and a plurality of third color sub-pixel regions;
the display panel further comprises a plurality of black retaining walls, and the black retaining walls are located in the non-light-transmitting area.
Optionally, the first light source group includes a plurality of first sub light sources, the second light source group includes a plurality of second sub light sources, the third light source group includes a plurality of third sub light sources, and the first sub light sources, the second sub light sources, and the third sub light sources are arranged in a staggered manner.
The application also provides a mobile terminal, which comprises the display module and the terminal main body, wherein the terminal main body and the display module are combined into a whole.
The beneficial effects of the invention at least comprise:
the utility model discloses a through the structure of the display panel who rationally sets up among the display module assembly and the quantity of light source group in the backlight unit, make the layer of adjusting luminance among the display panel include the printing opacity portion, backlight unit includes monochromatic light source group and mixed color light source group, monochromatic light source group outgoing first colour light, the light of mixed color light source group outgoing includes second colour light and third colour light at least, in same period, only monochromatic light of light source group outgoing passes follow behind the printing opacity portion first colour sub-pixel district outgoing or only have mixed color light source group outgoing to pass follow behind the printing opacity portion second colour sub-pixel district with third colour sub-pixel district outgoing, the layer of adjusting luminance of this application display panel sets up the printing opacity portion for the light that monochromatic light source group sent can directly emit through the printing opacity portion, has reduced the loss that the whole outgoing light of each light source group of backlight unit caused because of light filters after passing through the display panel, the efficiency and the transmissivity that have promoted display module assembly include monochromatic light source group and mixed color light source group through setting up the light source group, and mixed color light source group includes the light of two kinds of colours for display module assembly does not influence display panel's normal demonstration when guaranteeing higher transmissivity, and display panel's drive refresh frequency is suitable, effectively prolongs display module assembly drive device's life, has reduced display module assembly's production requirement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display module with two light source sets according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a display module with two light source sets according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a display module with two light source sets according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of another display module provided with three light source groups according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of another display module provided with three light source groups according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of another display module with three light source groups according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a display module and a mobile terminal. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments. In addition, in the description of the present application, the term "including" means "including but not limited to". The terms first, second, third and the like are used merely as labels, and do not impose numerical requirements or an established order. Various embodiments of the invention may exist in a range of versions; it is to be understood that the description in the form of a range is merely for convenience and brevity and should not be construed as an inflexible limitation on the scope of the invention; accordingly, the described range descriptions should be considered to have specifically disclosed all the possible sub-ranges as well as individual numerical values within that range. For example, it is contemplated that the description of a range from 1 to 6 has specifically disclosed sub-ranges such as, for example, from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as individual numbers within a range such as, for example, 1, 2, 3, 4, 5, and 6, as applicable regardless of the range. In addition, whenever a numerical range is indicated herein, it is meant to include any number (fractional or integer) recited within the indicated range.
In a conventional liquid crystal panel, an organic color film is used to filter light of a backlight generated by a backlight module, so as to form three primary colors of red, green and blue, thereby performing color display.
Because the organic color films with different colors only allow light in partial wave bands to pass through, the light loss rate of the display module with the structure passing through the display panel is high when the display module is used for displaying.
In order to solve the above technical problem, the present application provides the following technical solutions.
The embodiment of the application provides a display module, as shown in fig. 1, fig. 2 and fig. 3, including a display panel 20 and a backlight module 10 disposed at a light-emitting side far away from the display panel 20;
the display panel 20 includes a plurality of first color sub-pixel regions a1, a plurality of second color sub-pixel regions a2, and a plurality of third color sub-pixel regions A3, the display panel 20 includes a dimming layer 2021, and the dimming layer 2021 includes a light-transmitting portion 2021a disposed corresponding to the first color sub-pixel region a1, and a dimming portion disposed corresponding to the second color sub-pixel region a2 and the third color sub-pixel region A3;
the backlight module 10 comprises a monochromatic light source group 1011 and a mixed color light source group 1012, the monochromatic light source group 1011 emits light of a first color, and the mixed color light source group 1012 emits light of at least a second color and a third color;
wherein, only the first color light emitted from the single color light source group 1011 passes through the light transmitting portion 2021a and then exits from the first color sub-pixel area a1 of the display panel 20, or only the light emitted from the mixed color light source group 1012 passes through the light adjusting portion and then exits from the second color sub-pixel area a2 and the third color sub-pixel area A3 of the display panel 20 in the same period.
Specifically, as shown in fig. 1, the display module includes a display panel 20 and a backlight module 10 disposed on a light exit side of the display panel 20 away from the display panel 20, where the display panel 20 may be a liquid crystal panel, and the backlight module 10 is configured to provide backlight;
it should be noted that, in the present embodiment, a liquid crystal panel is taken as an example for description, in the present embodiment, the display panel 20 includes an array substrate and a color filter substrate which are oppositely arranged, and a liquid crystal layer 201 is arranged between the array substrate and the color filter substrate.
Specifically, the array substrate includes a first substrate 2010 and a thin film transistor layer 2011 disposed on the first substrate 2010, the thin film transistor layer 2011 includes a plurality of thin film transistors 2012, and the thin film transistors 2012 control the deflection of the liquid crystal by controlling the voltage of the data trace, so as to control the display of the display module;
specifically, in the present embodiment, the plurality of thin film transistors 2012 includes a plurality of first thin film transistors, a plurality of second thin film transistors, and a plurality of third thin film transistors;
the deflection of liquid crystal in the first color sub-pixel area A1 is controlled by the first thin film transistors, the deflection of liquid crystal in the second color sub-pixel area A2 is controlled by the second thin film transistors, and the deflection of liquid crystal in the third color sub-pixel area A3 is controlled by the third thin film transistors;
specifically, none of the first thin film transistor, the second thin film transistor, and the third thin film transistor is disposed within the first color sub-pixel region a1, the second color sub-pixel region a2, and the third color sub-pixel region A3.
Specifically, the color filter substrate includes a second substrate 2020, and a light modulation layer 2021 disposed on the second substrate 2020, the second substrate 2020 is located on a side away from the array substrate, the light modulation layer 2021 includes a light transmission portion 2021a disposed corresponding to the first color sub-pixel region a1, and a light modulation portion disposed corresponding to the second color sub-pixel region a2 and the third color sub-pixel region A3, the light modulation portion includes a second color light modulation film 2021b corresponding to the second color sub-pixel region a2, and a third color light modulation film 2021c corresponding to the third color sub-pixel region A3, and both the second color light modulation film 2021b and the third color light modulation film 2021c are monochromatic light modulation films.
Specifically, the light-transmitting portion 2021a may be an opening corresponding to the first color sub-pixel region a1, or may be a light-transmitting film.
Specifically, the second substrate 2020 is further provided with a black retaining wall 2022, the black retaining wall 2022 is disposed between the light-transmitting portion 2021a, the second color dimming film 2021b and the third color dimming film 2021c, and a projection of the black retaining wall 2022 on the array substrate covers the thin film transistor 2012.
The liquid crystal layer 201 includes a support pillar 2001 and liquid crystal disposed between the array substrate and the color filter substrate.
Specifically, backlight unit 10 includes backlight substrate 1010, set up in monochromatic light source group 1011 and mixed color light source group 1012 on backlight substrate 1010, monochromatic light source group 1011 first colour light of outgoing, the light of mixed color light source group 1012 outgoing includes second colour light and third colour light at least, and wherein, the colour of first colour light, second colour light and third colour light is different, and first colour light, second colour light and third colour light can be red, blue, the arbitrary combination of green three kinds of colour, for example first colour light can be blue, second colour light can be green, third colour light can be red.
Specifically, the light emitted from the monochromatic light source group 1011 is monochromatic light, and the light emitted from the mixed color light source group 1012 is mixed color light.
Specifically, the monochromatic light source group 1011 includes a plurality of first sub light sources, the color mixing light source group 1012 includes a plurality of second sub light sources, and the plurality of first sub light sources and the plurality of second sub light sources may be arranged in a staggered manner in one direction, so that the plurality of first sub light sources are uniformly distributed on the substrate of the backlight module, and the plurality of second sub light sources are uniformly distributed on the substrate of the backlight module;
specifically, the first sub-light source may be disposed corresponding to the first color sub-pixel region a1, and the second sub-light source may be disposed corresponding to the second color sub-pixel region a2 and the third color sub-pixel region A3, so as to reduce loss during light propagation.
Specifically, in the time period in which the first color needs to be displayed, as shown in fig. 1, only the first color light emitted from the monochromatic light source group 1011 passes through the light-transmitting portion 2021a and then exits from the first color sub-pixel area a1 of the display panel 20, and meanwhile, since the light emitted from the backlight module 10 is the first color light, the first color light cannot pass through the light-adjusting portion (i.e., the second color light-adjusting film 2021b and the third color light-adjusting film 2021c), and therefore only the first color light can pass through the display panel 20 from the light-transmitting portion 2021a, the effect of displaying the first color is achieved, and since the color emitted from the monochromatic light source group 1011 is the desired color, no filtering is needed, so that the transmittance of the first color light is 100%.
Specifically, during the time period when the second color needs to be displayed, as shown in fig. 2, only the light emitted from the mixed color light source group 1012 passes through the light modulation part and then exits from the second color sub-pixel region a2 of the display panel 20, the light emitted from the mixed color light source group 1012 is mixed color light, and at this time, the first thin film transistor and the third thin film transistor can control the liquid crystal deflection in the first sub-pixel region and the third sub-pixel region, so that the light cannot pass through the display panel 20 in this region, and at the same time, the mixed color light passes through the second color light modulation film 2021b, so that the display panel 20 displays the second color, and the mixed color light passes through the filtering effect of the second color light modulation film 2021b, and part of the light is consumed.
Specifically, during the time period when the third color needs to be displayed, as shown in fig. 3, only the light emitted from the mixed color light source group 1012 passes through the light modulation part and then exits from the third color sub-pixel region a3 of the display panel 20, the light emitted from the mixed color light source group 1012 is mixed color light, and at this time, the first thin film transistor and the second thin film transistor can control the liquid crystal deflection in the first sub-pixel region and the second sub-pixel region, so that the light cannot pass through the display panel 20 in this region, and the mixed color light passes through the third color light modulation film 2021c, so that the display panel 20 displays the third color, and the mixed color light passes through the filtering effect of the third color light modulation film 2021c, and part of the light is consumed.
Through the different operating condition of the monochromatic light source group 1011 and the mixed color light source group 1012 of quick conversion in the time quantum that human vision remains, realize the RGB three-color display, compare the structure that sets up the various membrane of trichromatism at present, the transmissivity of the display module assembly of this embodiment still has great promotion, under the condition of the same aperture opening ratio, the transmissivity of the display module assembly of this application technical means promotes 42.3% relatively.
Specifically, the monochromatic light source group 1011 and the mixed-color light source group 1012 of the backlight module 10 are turned on at different times, and only one light source group is turned on in the same time period, and the tft 2012 controls the liquid crystal in the corresponding color sub-pixel region to deflect, thereby controlling the full-color display of the display panel 20.
It can be understood that, in this embodiment, by reasonably setting the structure of the display panel 20 in the display module and the number of light source groups in the backlight module 10, the dimming layer 2021 in the display panel 20 includes a light-transmitting portion 2021a, the backlight module 10 includes a monochromatic light source group 1011 and a mixed light source group 1012, the monochromatic light source group 1011 emits light of a first color, and the mixed light source group 1012 emits light of at least a second color and a third color, during a same time period, only the light emitted from the monochromatic light source group 1011 passes through the light-transmitting portion 2021a and then exits from the first color sub-pixel area a1, or only the light emitted from the mixed light source group 1012 passes through the light-modulating portion and then exits from the second color sub-pixel area a2 and the third color sub-pixel area A3, the light-transmitting portion 2021a is provided, so that the light emitted from the monochromatic light source group 1011 can directly exit through the light-transmitting portion 2021a, there is not filterable loss of light, the efficiency and the transmissivity of display module assembly have been promoted, include monochromatic light source group 1011 and mixed color light source group 1012 through setting up the light source group, mixed color light source group 1012 includes the light of two kinds of colours, make display module assembly when guaranteeing higher transmissivity, it is suitable that the drive refresh frequency that does not influence display module assembly's normal demonstration and display module assembly, effectively prolong display module assembly drive device's life, display module assembly's production requirement has been reduced.
In one embodiment, the light adjusting unit includes a second color light adjusting film 2021b disposed corresponding to each of the second color sub-pixel regions a2, and a third color light adjusting film 2021c disposed corresponding to each of the third color sub-pixel regions A3.
Specifically, the second color light adjusting film 2021b may be any one of a red light adjusting film, a blue light adjusting film, and a green light adjusting film, and the third color light adjusting film 2021c may be any one of a red light adjusting film, a blue light adjusting film, and a green light adjusting film.
It can be understood that the second color dimming film 2021b disposed corresponding to the second color sub-pixel area a2 and the third color dimming film 2021c disposed corresponding to each of the third color sub-pixel areas A3 are disposed on the light dimming portion, so that the white light emitted from the mixed light source group 1012 in the backlight module 10 can be dimmed, thereby realizing full-color RGB display.
In one embodiment, the set of mixed color light sources 1012 emits white light.
Specifically, the white light includes at least second color light and third color light.
Specifically, a plurality of second sub-light sources of mixed color light source group 1012 can be the lamp pearl of outgoing white light, the white light is mixed color light, and mixed color light can be turned into white light into monochromatic light after the membrane of adjusting luminance through corresponding colour and realize display panel 20's full-color display.
It can be understood that, through setting up mixed color light source group 1012 emergent light into white light, set up the portion of adjusting luminance that corresponds and carry out light filtering, realize display panel 20's full-color display, can further simplify production technology, reduce display module assembly's production requirement, practice thrift manufacturing cost.
In one embodiment, the mixed color light source set 1012 includes a first light source subset and a second light source subset, the first light source subset emits light of a second color, and the second light source subset emits light of a third color.
In particular, the first and second light source sub-groups may control switches synchronously.
Specifically, the first light source sub-group may be disposed corresponding to the second color sub-pixel area a2, and the second light source sub-group may be disposed corresponding to the third light source sub-area.
It can be understood that, by arranging the first light source sub-group and the second light source sub-group, the first light source sub-group and the second light source sub-group are arranged in the second color sub-pixel area a2 and the third color sub-pixel area A3 in a targeted manner, so that light emitted by the light source sub-group can be irradiated onto the display panel 20 of the corresponding sub-pixel area in a targeted manner, the loss of the light in the transmission process is reduced, and the light transmittance of the display module is further improved.
In an embodiment, the light-transmitting portion 2021a includes a plurality of light-transmitting openings opened on the light modulation film, and one of the light-transmitting openings is disposed corresponding to one of the first color sub-pixel regions a 1.
Specifically, the light-transmitting portion 2021a does not need to function to filter light, and therefore, a plurality of light-transmitting openings opened on the dimming film may be provided, and an orthogonal projection of the openings on the display panel 20 may coincide with an orthogonal projection of the first color sub-pixel area a1 on the display panel 20.
It can be understood that the light-transmitting opening is directly arranged on the light-adjusting film, the film layer at the corresponding position is not required to be manufactured, the manufacturing steps are effectively reduced, the production efficiency is improved, and the production cost is reduced.
In an embodiment, the light-transmitting portion 2021a includes a plurality of light-transmitting films, and one of the light-transmitting films is disposed corresponding to one of the first color sub-pixel regions a 1.
Specifically, the light-transmitting film is a high light-transmitting material, and may be, for example, polymethyl methacrylate.
It is understood that the surface flatness of each film layer of the display panel 20 can be ensured by providing a plurality of light-transmitting films in the light-transmitting portion 2021a without affecting the transmittance of light.
The present application further provides a display module, as shown in fig. 4, 5 and 6, including a display panel 20 and a backlight module 10 disposed at a light exit side far away from the display panel 20;
the display panel 20 includes a plurality of first color sub-pixel regions a1, a plurality of second color sub-pixel regions a2, and a plurality of third color sub-pixel regions A3;
the backlight module 10 includes a first light source group 1013, a second light source group 1014, and a third light source group 1015, where the first light source group 1013 emits light of a first color, the second light source group 1014 emits light of a second color, and the third light source group 1015 emits light of a third color;
as shown in fig. 4, only the first color light emitted from the first light source group 1013 exits from the first color sub-pixel area a1 of the display panel 20 in the same period, or as shown in fig. 5, only the second color light emitted from the second light source group 1014 exits from the second color sub-pixel area a2 of the display panel 20, or as shown in fig. 6, only the third color light emitted from the third light source group 1015 exits from the third color sub-pixel area A3 of the display panel 20.
Specifically, the display module includes a display panel 20 and a backlight module 10 disposed on a light exit side of the display panel 20 away from the display panel 20, where the display panel 20 may be a liquid crystal panel, and the backlight module 10 is configured to provide backlight;
it should be noted that, in the present embodiment, a liquid crystal panel is taken as an example for description, in the present embodiment, the display panel 20 includes an array substrate and a transparent substrate which are oppositely disposed, and a liquid crystal layer 201 is disposed between the array substrate and the transparent substrate.
Specifically, the array substrate includes a first substrate 2010 and a thin film transistor layer 2011 disposed on the first substrate 2010, the thin film transistor layer 2011 includes a plurality of thin film transistors 2012, and the thin film transistors 2012 control the deflection of the liquid crystal by controlling the voltage of the data trace, so as to control the display of the display module;
specifically, in the present embodiment, the plurality of thin film transistors 2012 includes a plurality of first thin film transistors, a plurality of second thin film transistors, and a plurality of third thin film transistors;
the deflection of liquid crystal in the first color sub-pixel area A1 is controlled by the first thin film transistors, the deflection of liquid crystal in the second color sub-pixel area A2 is controlled by the second thin film transistors, and the deflection of liquid crystal in the third color sub-pixel area A3 is controlled by the third thin film transistors;
specifically, the first thin film transistor, the second thin film transistor, and the third thin film transistor are located in the non-light-transmitting region B.
Specifically, the light-transmitting substrate includes a second substrate 2020 and a black retaining wall 2022 disposed on the second substrate 2020, the display panel 20 includes a non-light-transmitting region B, and the black retaining wall 2022 is located in the non-light-transmitting region B.
Specifically, the backlight module 10 includes a first light source group 1013, a second light source group 1014, and a third light source group 1015, where the first light source group 1013 emits light of a first color, the second light source group 1014 emits light of a second color, and the third light source group 1015 emits light of a third color, where the first color light, the second color light, and the second color light are different in color, and the color of the first color light may be any one of red, green, and blue, the color of the second color light may be any one of red, green, and blue, and the color of the third color light may be any one of red, green, and blue.
Specifically, the first sub-light sources in the first light source group 1013 may be disposed corresponding to the first color sub-pixel region a1, or may not be disposed corresponding to the first color sub-pixel region a 1; second sub-light sources in the second light source group 1014 may be disposed corresponding to the second color sub-pixel region a2, or may not be disposed corresponding to the second color sub-pixel region a 2; third sub-light sources in the third light source group 1015 may be disposed corresponding to the third color sub-pixel region A3, or may not be disposed corresponding to the third color sub-pixel region A3;
it can be understood that, the color film layer is not disposed on the display panel 20, but the backlight module 10 is disposed to include the first light source group 1013, the second light source group 1014 and the third light source group 1015, and by means of time-sharing display, the RGB full-color display is realized by utilizing the phenomenon of human eye visual retention (that is, the switching frequency of the switch driving of the first light source group 1013, the second light source group 1014 and the third light source group 1015 exceeds the identification frequency of human eyes).
In one embodiment, the display panel 20 includes a non-transmission region B, which divides the display panel 20 into a plurality of the first color sub-pixel regions a1, a plurality of the second color sub-pixel regions a2, and a plurality of the third color sub-pixel regions A3;
the display panel 20 further includes a plurality of black barriers 2022, and the black barriers 2022 are located in the non-light-transmitting region B.
Specifically, the black retaining wall 2022 may be disposed on a side of the second substrate 2020 facing the array substrate as shown in fig. 4, or may be disposed on a side of the light emitting surface of the display panel 20.
It can be understood that the black retaining wall 2022 can effectively prevent color cross or shield the thin film transistor layer 2011, thereby prolonging the service life of the device of the thin film transistor 2012.
In an embodiment, the first light source group 1013 includes a plurality of first sub light sources, the second light source group 1014 includes a plurality of second sub light sources, the third light source group 1015 includes a plurality of third sub light sources, and the first sub light sources, the second sub light sources, and the third sub light sources are arranged alternately.
Specifically, the plurality of first sub light sources, the plurality of second sub light sources, and the plurality of third sub light sources may specifically be LED lamp beads.
Specifically, in the first direction, first sub light source second sub light source and third sub light source are crisscross to be arranged, and in the second direction, can be a plurality of first sub light sources repeatedly arrange, also can be a plurality of second sub light sources repeatedly arrange, also can be a plurality of third sub light sources repeatedly arrange, the second direction can be certain contained angle with the first direction, and the contained angle can be 90.
It can be understood that the plurality of first sub light sources, the plurality of second sub light sources and the plurality of third sub light sources are arranged in a staggered manner, so that the sub light sources of each light source group are uniformly distributed on the display panel, and the brightness uniformity of the display module is further improved.
In one embodiment, a backlight film 30 is disposed between the display panel 20 and the backlight module 10.
Specifically, the backlight film 30 is used for diffusing light emitted from each light source group of the backlight module.
The application also provides a mobile terminal, which comprises the display module and the terminal main body, wherein the terminal main body and the display module are combined into a whole.
In summary, in the present embodiment, by reasonably setting the structure of the display panel 20 in the display module and the number of light source groups in the backlight module 10, the dimming layer 2021 in the display panel 20 includes the light-transmitting portion 2021a, the backlight module 10 includes the monochromatic light source group 1011 and the mixed light source group 1012, the monochromatic light source group 1011 emits the first color light, the mixed light source group 1012 emits the light including at least the second color light and the third color light, and in the same time period, only the light emitted from the monochromatic light source group 1011 passes through the light-transmitting portion 2021a and then emits from the first color sub-pixel region a1, or only the light emitted from the mixed light source group 1012 passes through the light-adjusting portion and then emits from the second color sub-pixel region a2 and the third color sub-pixel region A3, the light-transmitting portion 2021a is provided, so that the light emitted from the monochromatic light source group 1011 can directly emit through the light-transmitting portion 2021a, there is not filterable loss of light, the efficiency and the transmissivity of display module assembly have been promoted, include monochromatic light source group 1011 and mixed color light source group 1012 through setting up the light source group, mixed color light source group 1012 includes the light of two kinds of colours, make display module assembly when guaranteeing higher transmissivity, the drive refresh frequency that does not influence normal demonstration and display panel 20 of display panel 20 is suitable, effectively prolong display module assembly drive device's life, display module assembly's production requirement has been reduced.
The display module and the mobile terminal provided by the embodiment of the present application are described in detail above, a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A display module is characterized by comprising a display panel and a backlight module arranged on the light emitting side far away from the display panel;
the display panel comprises a plurality of first color sub-pixel regions, a plurality of second color sub-pixel regions and a plurality of third color sub-pixel regions, and the display panel comprises a dimming layer, wherein the dimming layer comprises a light-transmitting part arranged corresponding to the first color sub-pixel regions, and a light-transmitting part arranged corresponding to the second color sub-pixel regions and the third color sub-pixel regions 30
The backlight module comprises a monochromatic light source group and a mixed color light source group, the monochromatic light source group emits first color light, and the mixed color light source group emits light at least comprising second color light and third color light;
wherein, only the first color light emitted from the monochromatic light source group passes through the light-transmitting part and then is emitted from the first color sub-pixel region of the display panel in the same time period, or
Only the light rays emitted by the mixed color light source group pass through the light adjusting part and then are emitted from the second color sub-pixel area and the third color sub-pixel area of the display panel.
2. The display module according to claim 1, wherein the light adjusting portion includes a second color light adjusting film provided corresponding to each of the second color sub-pixel regions, and a third color light adjusting film provided corresponding to each of the third color sub-pixel regions.
3. The display module of claim 2 wherein the set of color mixing light sources emits white light.
4. The display module as recited in claim 2 wherein said mixed color light source set comprises a first light source sub-set and a second light source sub-set, said first light source sub-set emitting light of a second color and said second light source sub-set emitting light of a third color.
5. The display module as claimed in claim 1, wherein the light-transmissive portion includes a plurality of light-transmissive openings opened on the light-modulating film, and one of the light-transmissive openings is disposed corresponding to one of the first color sub-pixel regions.
6. The display module of claim 1, wherein the light transmissive portion comprises a plurality of light transmissive films, one of the light transmissive films being disposed corresponding to one of the first color sub-pixel regions.
7. A display module is characterized by comprising a display panel and a backlight module arranged on the light emitting side far away from the display panel;
the display panel comprises a plurality of first color sub-pixel areas, a plurality of second color sub-pixel areas and a plurality of third color sub-pixel areas;
the backlight module comprises a first light source group, a second light source group and a third light source group, wherein the first light source group emits light rays with a first color, the second light source group emits light rays with a second color, and the third light source group emits light rays with a third color;
only the first color light emitted from the first light source group is emitted from the first color sub-pixel region of the display panel in the same time period, or
Only the second color light emitted from the second light source group is emitted from the second color sub-pixel region of the display panel, or
And only the third color light emitted by the third light source group is emitted from the third color sub-pixel area of the display panel.
8. The display module of claim 7, wherein the display panel comprises a non-transmissive region that divides the display panel into a plurality of the first color sub-pixel regions, a plurality of the second color sub-pixel regions, and a plurality of the third color sub-pixel regions;
the display panel further comprises a plurality of black retaining walls, and the black retaining walls are located in the non-light-transmitting area.
9. The display module according to claim 7, wherein the first light source group comprises a plurality of first sub-light sources, the second light source group comprises a plurality of second sub-light sources, the third light source group comprises a plurality of third sub-light sources, and the first sub-light sources, the second sub-light sources and the third sub-light sources are arranged in a staggered manner.
10. A mobile terminal, comprising the display module according to any one of claims 1 to 9 and a terminal body, wherein the terminal body is integrated with the display module.
CN202210115722.6A 2022-02-07 2022-02-07 Display module and mobile terminal Pending CN114415415A (en)

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