CN108897169A - Illuminating module and its control method, display device - Google Patents
Illuminating module and its control method, display device Download PDFInfo
- Publication number
- CN108897169A CN108897169A CN201810823725.9A CN201810823725A CN108897169A CN 108897169 A CN108897169 A CN 108897169A CN 201810823725 A CN201810823725 A CN 201810823725A CN 108897169 A CN108897169 A CN 108897169A
- Authority
- CN
- China
- Prior art keywords
- luminescence unit
- subregion
- illuminating module
- light emitting
- peep
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
This application discloses a kind of illuminating module and its control methods, display device, belong to field of display technology.The illuminating module includes：Control unit, and be divided into the substrate of n subregion, n >=1 are provided on each subregion in the n subregion：First luminescence unit and the second luminescence unit, and the light emitting angle of the first luminescence unit is less than the light emitting angle of the second luminescence unit；Control unit is used for：When each subregion is unsatisfactory for preset condition, under peep-proof display pattern, the first luminescence unit controlled on each subregion shines, and forbids controlling the second luminescence unit on each subregion and shine；Under non-peep-proof display pattern, the second luminescence unit controlled on each subregion shines.Present application addresses the lower problems of the display flexibility of display device.The application is for shining.
Description
Technical field
This application involves field of display technology, in particular to a kind of illuminating module and its control method, display device.
Background technique
With the development of display technology, the more and more wider and current display device of application of the display devices such as mobile phone, computer
All there is biggish visible angle.For user when using display device, the information shown in display device also shows other people,
So that the disclosure risk of user information is higher.
In the related technology in order to reduce the risk that user information is revealed, peep-proof display technology is proposed, that is to say by subtracting
The visible angle of small display device, so that the information that display device is shown can only be seen by the user of the screen of face display device
It arrives.It is exemplary, one layer of peep-proof film can be set in display device, for absorbing illuminating module (such as liquid crystal of display device
Backlight module in showing device) issue part light, and then reduce display device visible angle.
But the visible angle for being provided with the display device of peep-proof film is smaller, wants sharing display device in user and shows
It will receive limitation when information (such as more people watch video together) shown, therefore the display flexibility of the display device is lower.
Summary of the invention
This application provides a kind of illuminating module and its control methods, display device, can solve the display of display device
The lower problem of flexibility.The technical solution is as follows：
In a first aspect, providing a kind of illuminating module, the illuminating module includes：Control unit, and it is divided into n points
The substrate in area, n >=1,
It is provided on each subregion in the n subregion：First luminescence unit and the second luminescence unit, and described first
The light emitting angle of luminescence unit is less than the light emitting angle of second luminescence unit；
Described control unit is used for：In the display stage, judge whether each subregion in the n subregion meets default item
Part, the preset condition include：Each subregion corresponding pixel in image to be displayed only includes black picture element；Described
When each subregion is unsatisfactory for the preset condition, under peep-proof display pattern, first hair on each subregion is controlled
Light unit shines, and forbids controlling second luminescence unit on each subregion and shine；Under non-peep-proof display pattern,
Second luminescence unit controlled on each subregion shines.
Optionally, described control unit is also used to：When each subregion meets the preset condition, forbid controlling institute
The each luminescence unit stated on each subregion shines.
Optionally, each first luminescence unit and each second luminescence unit are mini light emitting diode.
Optionally, first luminescence unit is high directing light emitting diode, and second luminescence unit is scatter-type
Light emitting diode.
Optionally, it is provided on each subregion：Multiple first luminescence units and multiple second luminescence units,
The multiple first luminescence unit surrounds size and is all different multiple first annular, the multiple second luminous list
Member surrounds different multiple second annulars of size；
The multiple first annular and the multiple second annular is concentric ring, and the multiple first annular and described more
A second annular is spaced one by one.
Optionally, it is provided on each subregion：Multiple light emitting modules of array arrangement, each light emitting module packet
Include first luminescence unit and second luminescence unit.
Second aspect provides a kind of control method of illuminating module, for the control unit in the illuminating module, institute
Stating illuminating module further includes：It is divided into the substrate of n subregion, n >=1 is provided on each subregion in the n subregion：The
One luminescence unit and the second luminescence unit, and the light emitting angle of first luminescence unit is less than the hair of second luminescence unit
Angular, the method includes：
In the display stage, judge whether each subregion in the n subregion meets preset condition, the preset condition packet
It includes：Each subregion corresponding pixel in image to be displayed only includes black picture element；
When each subregion is unsatisfactory for the preset condition, under peep-proof display pattern, each subregion is controlled
On first luminescence unit shine, and forbid controlling second luminescence unit on each subregion shine；Non-
Under peep-proof display pattern, second luminescence unit controlled on each subregion shines.
The third aspect, provides a kind of illuminating module, and the illuminating module includes：Control unit and substrate, the substrate
On be provided with：First luminescence unit and the second luminescence unit, and the light emitting angle of first luminescence unit is less than described second
The light emitting angle of luminescence unit；
Described control unit is used for：Under peep-proof display pattern, controls first luminescence unit and shine, and forbid controlling
Second luminescence unit shines；Under non-peep-proof display pattern, controls second luminescence unit and shine.
Fourth aspect provides a kind of control method of illuminating module, for the control unit in the illuminating module, institute
Stating illuminating module further includes substrate, is provided on the substrate：First luminescence unit and the second luminescence unit, and first hair
The light emitting angle of light unit is less than the light emitting angle of second luminescence unit；The method includes：
Under peep-proof display pattern, controls first luminescence unit and shine, and forbid controlling second luminescence unit
It shines；
Under non-peep-proof display pattern, controls second luminescence unit and shine.
5th aspect, provides a kind of display device, the display device includes above-mentioned illuminating module.
Technical solution bring beneficial effect provided by the present application includes at least：
A kind of each of substrate this application provides illuminating module and its control method, display device, in illuminating module
The first luminescence unit and the second luminescence unit are provided on subregion, and the light emitting angle of the first luminescence unit is luminous less than second single
The light emitting angle of member.Under peep-proof display pattern, control unit can control the first luminescence unit on subregion and shine, and forbid
It controls the second luminescence unit to shine, so that the visible angle of the display device where the illuminating module is smaller；It is shown in non-peep-proof
Under mode, control unit can control the second luminescence unit on subregion and shine, so that the display device where the illuminating module
Visible angle it is larger, therefore, the display flexibility of the display device where the illuminating module is higher.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of illuminating module provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of luminescence unit provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another illuminating module provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of the control method of illuminating module provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another illuminating module provided in an embodiment of the present invention；
Fig. 8 is the flow chart of the control method of another illuminating module provided in an embodiment of the present invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
With the development of display technology, many information of user are stored in the display devices such as mobile phone, computer, in user
When watching the information, it is ensured that the information do not seen by other people, that is to say so that display device peep-proof show it is most important.Usually
One layer of peep-proof film can be set in display device, the part light that the illuminating module for absorbing display device issues, and then reduce
The visible angle of display device.But such display device only can peep-proof show, user want share display device shown by
Information (such as more people watch video together) when will receive limitation.Display dress where illuminating module provided in an embodiment of the present invention
The switching that may be implemented that peep-proof is shown and non-peep-proof is shown is set, that is to say that the information that the display device is shown can be only by face screen
User's viewing of curtain, can also be shared with more users viewing, improve the display flexibility of display device.
Fig. 1 is a kind of structural schematic diagram of illuminating module provided in an embodiment of the present invention.As shown in Figure 1, the illuminating module
10 may include：Control unit (Fig. 1 is not shown), and it is divided into the substrate 100 of n subregion A, n >=1.In the n subregion A
It is provided on each subregion A：First luminescence unit 101 and the second luminescence unit 102, and the light emitting anger of the first luminescence unit 101
Spend the light emitting angle less than the second luminescence unit 102.
Control unit can be used for：In the display stage, judge whether each subregion A in n subregion A of substrate 100 is full
Sufficient preset condition, the preset condition may include：Each subregion corresponding pixel in image to be displayed only includes black picture element；
When each subregion is unsatisfactory for preset condition, under peep-proof display pattern, the first luminescence unit on each subregion is controlled
101 shine, and forbid controlling the second luminescence unit 102 on each subregion and shine；Under non-peep-proof display pattern, control should
The second luminescence unit 102 on each subregion shines.Optionally, when each subregion meets preset condition, control unit can be with
Forbid controlling each luminescence unit on each subregion to shine.
Optionally, selecting module can be set in the display device where illuminating module, user can be directed to the selection
Module is operated and (such as carries out clicking operation to the corresponding select button of the selecting module that display device is shown), aobvious to select
The display pattern of showing device.Control unit in illuminating module can first obtain the aobvious of user's selection when controlling luminescence unit
The display pattern of showing device, and judge whether the display pattern is peep-proof display pattern.
It should be noted that illuminating module provided in an embodiment of the present invention can be used as the backlight mould in liquid crystal display device
Group can also be used as Organic Light Emitting Diode (English：Organic Light Emitting Display；Referred to as：OLED it) shows
Oled panel in showing device.N of the embodiment of the present invention by taking the illuminating module is for liquid crystal display device as an example, in illuminating module
A subregion can be corresponded with n region in the display panel of display device, and the luminescence unit being arranged on each subregion
It can be used for providing backlight for the corresponding region of the subregion in display panel, so that the region in display panel can be shown
Image.The n subregion can be corresponded with n region in the image.Above-mentioned " subregion corresponding pixel in the images
Only include black picture element " it that is to say：The color of pixel in the image in the corresponding region of the subregion is black.Fig. 1 is only with n
=32, and for the shape of each luminescence unit is rectangle, optionally, n can also be other values, such as n=1 or n=36, often
The shape of a luminescence unit may be round or ellipse, and it is not limited in the embodiment of the present invention.
In the display stage, control unit needs the luminescence unit controlled in illuminating module according to preset condition to shine.Example
, by taking a subregion A1 in substrate as an example, control unit may determine that subregion A1 corresponding pixel in image to be displayed
Color whether be black.If so, control unit can forbid each luminescence unit on the A1 of control partition to shine, so that
It obtains the corresponding region subregion A1 in display panel and does not show image, also correspond to the image of display black.If it is not, then control unit
May determine that current display pattern be peep-proof mode be also non-peep-proof mode；If current display pattern is peep-proof mode,
Control unit can control the first luminescence unit on subregion A1 and shine, and the second luminescence unit on the A1 of control partition is forbidden to send out
Light, so that the visible angle of display device is smaller；If current display pattern is non-peep-proof mode, control unit can be controlled
The second luminescence unit on subregion A1 processed shines, so that the visible angle of display device is larger.
Exemplary, control unit can forbid the first hair of control when the second luminescence unit on the A1 of control partition shines
Light unit shines, to reduce the power consumption of illuminating module；Alternatively, the first luminescence unit that can control on subregion A1 also shines, with
So that the brightness that illuminating module issues is higher.
The hair in illuminating module even if display device needs to show the image of black in the related technology, in the display device
Light unit is also required to all shine, therefore the black image that display device is shown also has certain brightness, the figure that display device is shown
Image contrast is lower.
And when the corresponding pixel of certain subregion only includes black picture element in image to be displayed in the embodiment of the present invention, the subregion
The luminescence unit of upper setting can not shine, namely can be achieved on local dimming (English：local dimming).Such one
Come, display device can improve the contrast for the image that display device is shown, and increase aobvious with the lower image of display brightness
The brightness range that showing device can be shown.Optionally, the display device where illuminating module provided in an embodiment of the present invention may be used also
To include liquid crystal display panel, for arranging in pairs or groups with illuminating module so that display device normally shows image.
It optionally, should if being provided with multiple first luminescence units and multiple second luminescence units on subregion in substrate
Multiple first luminescence units on subregion can connect, and multiple second luminescence units on the subregion can also connect.Control
Unit processed can be connected with first luminescence unit in multiple first luminescence unit, to multiple first luminescence unit
It is controlled simultaneously；Control unit can also be connected with second luminescence unit in multiple second luminescence unit, with right
Multiple second luminescence unit is controlled simultaneously.
It shines in conclusion being provided with first on each subregion of the substrate in illuminating module provided in an embodiment of the present invention
Unit and the second luminescence unit, and the light emitting angle of the first luminescence unit is less than the light emitting angle of the second luminescence unit.In peep-proof
Under display pattern, control unit can control the first luminescence unit on subregion and shine, and forbid controlling the second luminescence unit hair
Light, so that the visible angle of the display device where the illuminating module is smaller；Under non-peep-proof display pattern, control unit can be with
The second luminescence unit on control partition shines, so that the visible angle of the display device where the illuminating module is larger, therefore,
The display flexibility of display device where the illuminating module is higher.
Optionally, the first luminescence unit and the second luminescence unit all can be mini light emitting diode (English：mini
Light Emitting Diode；Referred to as：Mini LED), the size range of the mini light emitting diode can for 100 microns~
150 microns.Optionally, first luminescence unit and the second luminescence unit also all can be micro- light emitting diode (English：micro
Light Emitting Diode；Referred to as：Micro LED), the size of micro- light emitting diode can be 10 microns.
Optionally, referring to FIG. 2, the first luminescence unit 101 can be high directing light emitting diode, light emitting angle α
May range from 5 degree~20 degree；Second luminescence unit 102 can be scatter-type light emitting diode, the range of light emitting angle β
It can be 45 degree~90 degree.
The setting of the first luminescence unit and the second luminescence unit on each subregion can there are many modes of can be achieved, below
It is illustrated in such a way that two kinds therein achievable：
The first can be in realization mode, with continued reference to FIG. 1, can be set on each subregion A：Multiple first shine
Unit 101 and multiple second luminescence units 102.Multiple first luminescence unit 101 can surround size be all different it is multiple
First annular H1, multiple second luminescence unit 102 can surround the different multiple second annular H2 of size, and multiple first
Annular H1 and multiple second annular H2 can be concentric ring, and multiple first annular H1 can be with multiple second annular H2
It is spaced one by one.
In second of achievable mode, referring to FIG. 3, can be set on each subregion A：Multiple hairs of array arrangement
Optical module a, each light emitting module a may include first luminescence unit 101 and second luminescence unit 102.The present invention
Embodiment, can only by taking the second luminescence unit 102 in each light emitting module a is arranged at the right side of the first luminescence unit 101 as an example
Choosing, in each light emitting module a the second luminescence unit 102 also can be set the left side in the first luminescence unit 101, upside or
Downside；Alternatively, the arrangement mode of luminescence unit can be on the contrary, the embodiment of the present invention do this in light emitting module in adjacent rows
It limits.
In the related technology, the peep-proof of display device shows that there are many modes of can be achieved, and can be achieved below with three kinds therein
Mode is illustrated：
Peep-proof film can be set in a display device, which can be polymer in realization mode at the first
Dispersed LCD (English：Polymer Dispersed Liquid Crystal, referred to as：PDLC) film.Electricity is being applied to peep-proof film
When pressure, the optical axis of the liquid crystal particle in the peep-proof film can be vertical with the display panel of display device, so that illuminating module is sent out
Light out less can scatter, so that the visible angle of display device is smaller, realize that the peep-proof of display device is aobvious
Show.If not applying voltage to the peep-proof film, the direction of optic axis of the liquid crystal particle in the peep-proof film is random, what illuminating module issued
Light, so that the visible angle of display device is larger, realizes display device by strong scattering can occur when peep-proof film
Non- peep-proof show.It needs to be arranged to it since the production cost of peep-proof film is higher, and on peep-proof film and applies alive circuit, make
Such display device manufacture difficulty it is larger and bad rate is higher；Additionally, due to illuminating module issue light by peep-proof film it
Very big decaying can occur afterwards, so that illuminating module needs to issue the higher light of brightness in such display device, illuminating module
It is lost higher.
In second of achievable mode, display device can be used in combination with peep-proof glasses, so that user only wears
The information shown in the display device can just be watched by wearing the corresponding peep-proof glasses of display device.Such display device must combine
Peep-proof glasses use, and user needs to carry peep-proof glasses at any time, therefore the property easy to use of the display device is poor.
Fig. 4 and Fig. 5 can be please referred in realization mode at the third, display device may include lamp bar 301, lamp bar 302,
Chamfered edge mirror 303 and two light guide plate (English：Light Guide Plate；Referred to as：LGP) 304, light guide plate 305, reflector plate
306, diffusion barrier 307 and display panel 308, wherein light guide plate 304 can match with chamfered edge mirror 303.It should be noted that light
Line can become more to restrain after the matched light guide plate of chamfered edge mirror.It is exemplary, as shown in figure 4, when lamp bar 301 is lighted
When, the light G1 that display device issues more restrains, and the visible angle of display device is smaller, and peep-proof may be implemented at this time and show；
As shown in figure 5, the light G2 that display device issues more dissipates, and the visible angle of display device is larger when lamp bar 302 is lighted,
Non- peep-proof may be implemented at this time to show.Lamp bar and two light guide plates there are two being arranged in such display device, and the thickness of light guide plate
It spends larger, so kind display device is more thick and heavy, and assembles complicated, the more and more lightening trend of display device can not be complied with.
No setting is required in display device where illuminating module provided in an embodiment of the present invention peep-proof film, therefore illuminating module is sent out
Without excessive, the loss of illuminating module is smaller for the brightness of light.Display device where the illuminating module no matching is required peep-proof glasses
Can peep-proof show that the property easy to use of the display device is higher.No setting is required in display device where the illuminating module
More light guide plate, and the luminescence unit size in illuminating module is smaller, which can be more frivolous.The illuminating module
The display device at place can control by control unit to the first luminescence unit and the second luminescence unit in illuminating module,
Convenient control display device progress peep-proof is shown or non-peep-proof is shown, the display flexibility of the display device is higher.
It shines in conclusion being provided with first on each subregion of the substrate in illuminating module provided in an embodiment of the present invention
Unit and the second luminescence unit, and the light emitting angle of the first luminescence unit is less than the light emitting angle of the second luminescence unit.In peep-proof
Under display pattern, control unit can control the first luminescence unit on subregion and shine, and forbid controlling the second luminescence unit hair
Light, so that the visible angle of the display device where the illuminating module is smaller；Under non-peep-proof display pattern, control unit can be with
The second luminescence unit on control partition shines, so that the visible angle of the display device where the illuminating module is larger, therefore,
The display flexibility of display device where the illuminating module is higher.
Fig. 6 is a kind of flow chart of the control method of illuminating module provided in an embodiment of the present invention.This method can be used for
Control unit in Fig. 1 or illuminating module shown in Fig. 3, with control figure 1 or illuminating module shown in Fig. 3.As shown in fig. 6, should
Method may include：
Step 601, display the stage, judge whether each subregion in n subregion of substrate meets preset condition.If should
Each subregion meets preset condition, thens follow the steps 602；If each subregion is unsatisfactory for preset condition, 603 are thened follow the steps.
Exemplary, which may include：Each subregion corresponding pixel in image to be displayed only includes black
Color pixel.The display panel in display device where illuminating module may include and the one-to-one n area of the n subregion
Domain.If the corresponding region of certain subregion need to show the image of black, the subregion corresponding picture in image to be displayed in display panel
Element also just only includes black picture element, then control unit can determine that the subregion meets preset condition；Otherwise, control unit can be true
The fixed subregion is unsatisfactory for preset condition.
Step 602, each luminescence unit for forbidding controlling on each subregion shine.
Exemplary, control unit each of can forbid controlling on the subregion when determining that certain subregion meets preset condition
Luminescence unit shines, so that the corresponding region of the subregion does not show image in display panel, also corresponds to the figure of display black
Picture.
Whether step 603, the display pattern for judging the display device where illuminating module are peep-proof display patterns.If this is aobvious
The display pattern of showing device is peep-proof display pattern, thens follow the steps 604；If the display pattern of the display device is that non-peep-proof is aobvious
Show mode, thens follow the steps 605.
It is exemplary, selecting module can be set in the display device where illuminating module, user can be directed to the selection
Module is operated and (such as carries out clicking operation to the corresponding select button of the selecting module that display device is shown), aobvious to select
The display pattern of showing device.Control unit in illuminating module can first obtain the aobvious of user's selection when controlling luminescence unit
The display pattern of showing device, and judge whether the display pattern is peep-proof display pattern.
Step 604 controls the first luminescence unit on each subregion and shines, and forbid controlling on each subregion the
Two luminescence units shine.
When the display pattern of display device is peep-proof display pattern, control unit can control the light emitting angle on subregion
Lesser first luminescence unit shines, and control biggish second luminescence unit of light emitting angle is forbidden to shine, so that display dress
The light for setting sending is more restrained, so that the visible angle of display device is smaller, realizes that the peep-proof of display device is shown.
Step 605, the second luminescence unit controlled on each subregion shine.
When the display pattern of display device is non-peep-proof display pattern, control unit can control light emitting angle on subregion
Biggish second luminescence unit shines, so that the light that display device issues more dissipates, so that display device is visual
Angle is larger, realizes that the non-peep-proof of display device is shown.
In conclusion in the control method of illuminating module provided in an embodiment of the present invention, each of illuminating module substrate point
The first luminescence unit and the second luminescence unit are provided in area, and the light emitting angle of the first luminescence unit is less than the second luminescence unit
Light emitting angle.Under peep-proof display pattern, control unit can control the first luminescence unit on subregion and shine, and forbid controlling
It makes the second luminescence unit to shine, so that the visible angle of the display device where the illuminating module is smaller；Mould is shown in non-peep-proof
Under formula, control unit can control the second luminescence unit on subregion and shine, so that the display device where the illuminating module
Visible angle is larger, and therefore, the display flexibility of the display device where the illuminating module is higher.
Fig. 7 is the structural schematic diagram of another illuminating module provided in an embodiment of the present invention.The mould as shown in fig. 7, this shines
Organizing 70 may include：Control unit (being not shown in Fig. 7) and substrate 700 are provided on substrate 700：First luminescence unit, 701 He
Second luminescence unit 702, and the light emitting angle of the first luminescence unit 701 is less than the light emitting angle of the second luminescence unit 702.
Control unit is used for：Under peep-proof display pattern, the first luminescence unit 701 of control shines, and forbids control second
Luminescence unit 702 shines；Under non-peep-proof display pattern, the second luminescence unit 702 of control shines.
It should be noted that the display device where illuminating module provided in an embodiment of the present invention can also include liquid crystal
Show panel, even if the color of each position is black in image to be displayed under peep-proof display pattern, in illuminating module
One luminescence unit can also shine, and can by adjusting liquid crystal in liquid crystal display panel deflection so that display device is shown
Black image.The material, characteristic of luminescence unit and arrangement mode can refer to Fig. 1 or shown in Fig. 3 in the embodiment of the present invention
Luminescence unit in illuminating module on each subregion, this will not be repeated here for the embodiment of the present invention.
It shines in conclusion being provided with first on each subregion of the substrate in illuminating module provided in an embodiment of the present invention
Unit and the second luminescence unit, and the light emitting angle of the first luminescence unit is less than the light emitting angle of the second luminescence unit.In peep-proof
Under display pattern, control unit can control the first luminescence unit on subregion and shine, and forbid controlling the second luminescence unit hair
Light, so that the visible angle of the display device where the illuminating module is smaller；Under non-peep-proof display pattern, control unit can be with
The second luminescence unit on control partition shines, so that the visible angle of the display device where the illuminating module is larger, therefore,
The display flexibility of display device where the illuminating module is higher.
Fig. 8 is the flow chart of the control method of another illuminating module provided in an embodiment of the present invention.This method can be used
Control unit in illuminating module shown in Fig. 7, to control illuminating module shown in Fig. 7.As shown in figure 8, this method can be with
Including：
Whether step 801, the display pattern for judging the display device where illuminating module are peep-proof display patterns.If this is aobvious
The display pattern of showing device is peep-proof display pattern, thens follow the steps 802；If the display pattern of the display device is that non-peep-proof is aobvious
Show mode, thens follow the steps 803.
It should be noted that step 801 is referred to step 603, this will not be repeated here for the embodiment of the present invention.
Step 802 controls the first luminescence unit on each subregion and shines, and forbid controlling on each subregion the
Two luminescence units shine.
It should be noted that step 802 is referred to step 604, this will not be repeated here for the embodiment of the present invention.
Step 803, the second luminescence unit controlled on each subregion shine.
It should be noted that step 803 is referred to step 605, this will not be repeated here for the embodiment of the present invention.
In conclusion being arranged on each subregion of substrate in the control method of illuminating module provided in an embodiment of the present invention
There are the first luminescence unit and the second luminescence unit, and the light emitting angle of the first luminescence unit is less than the light emitting anger of the second luminescence unit
Degree.Under peep-proof display pattern, control unit can control the first luminescence unit on subregion and shine, and forbid the second hair of control
Light unit shines, so that the visible angle of the display device where the illuminating module is smaller；Under non-peep-proof display pattern, control
Unit can control the second luminescence unit on subregion shine so that the visible angle of the display device where the illuminating module compared with
Greatly, therefore, the display flexibility of the display device where the illuminating module is higher.
The embodiment of the invention also provides a kind of display device, which may include Fig. 1, Fig. 3 or shown in Fig. 7
Illuminating module.Exemplary, which can be liquid crystal display device or OLED display.If the display device is liquid
Crystal device, then the display device can also include diffuser plate and light guide plate, to homogenize the light of illuminating module sending, and
So that the light luminance projected from the display device is higher.
In the specific implementation, display device provided in an embodiment of the present invention can be mobile phone, tablet computer, television set, show
Show any products or components having a display function such as device, laptop, Digital Frame, navigator.
It should be noted that embodiment of the method provided in an embodiment of the present invention can be with corresponding illuminating module embodiment phase
Mutually reference, it is not limited in the embodiment of the present invention.The sequencing energy of embodiment of the method step provided in an embodiment of the present invention
Appropriate adjustment is enough carried out, step also according to circumstances can accordingly be increased and decreased, and anyone skilled in the art exists
The application disclose technical scope in, the method that variation can be readily occurred in, should all cover within the scope of protection of this application, because
This is repeated no more.
The foregoing is merely the alternative embodiments of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.
Claims (10)
1. a kind of illuminating module, which is characterized in that the illuminating module includes：Control unit, and it is divided into the base of n subregion
Plate, n >=1,
It is provided on each subregion in the n subregion：First luminescence unit and the second luminescence unit, and described first shines
The light emitting angle of unit is less than the light emitting angle of second luminescence unit；
Described control unit is used for：In the display stage, judge whether each subregion in the n subregion meets preset condition,
The preset condition includes：Each subregion corresponding pixel in image to be displayed only includes black picture element；Described every
When a subregion is unsatisfactory for the preset condition, under peep-proof display pattern, described first controlled on each subregion shines
Unit shines, and forbids controlling second luminescence unit on each subregion and shine；Under non-peep-proof display pattern, control
Second luminescence unit made on each subregion shines.
2. illuminating module according to claim 1, which is characterized in that described control unit is also used to：
When each subregion meets the preset condition, forbid controlling each luminescence unit hair on each subregion
Light.
3. illuminating module according to claim 1, which is characterized in that each first luminescence unit and each described
Two luminescence units are mini light emitting diode.
4. illuminating module according to claim 1, which is characterized in that first luminescence unit is high directing luminous two
Pole pipe, second luminescence unit are scatter-type light emitting diode.
5. illuminating module according to any one of claims 1 to 4, which is characterized in that be provided on each subregion：It is multiple
First luminescence unit and multiple second luminescence units,
The multiple first luminescence unit surrounds size and is all different multiple first annular, and the multiple second luminescence unit encloses
At different multiple second annulars of size；
The multiple first annular and the multiple second annular is concentric ring, and the multiple first annular with the multiple the
Second ring is spaced one by one.
6. illuminating module according to any one of claims 1 to 4, which is characterized in that be provided on each subregion：Array
Multiple light emitting modules of arrangement, each light emitting module include first luminescence unit and second luminescence unit.
7. a kind of control method of illuminating module, which is characterized in that described to shine for the control unit in the illuminating module
Mould group further includes：It is divided into the substrate of n subregion, n >=1 is provided on each subregion in the n subregion：First shines
Unit and the second luminescence unit, and the light emitting angle of first luminescence unit is less than the light emitting anger of second luminescence unit
Degree, the method includes：
In the display stage, judge whether each subregion in the n subregion meets preset condition, the preset condition includes：
Each subregion corresponding pixel in image to be displayed only includes black picture element；
When each subregion is unsatisfactory for the preset condition, under peep-proof display pattern, control on each subregion
First luminescence unit shines, and forbids controlling second luminescence unit on each subregion and shine；In non-peep-proof
Under display pattern, second luminescence unit controlled on each subregion shines.
8. a kind of illuminating module, which is characterized in that the illuminating module includes：Control unit and substrate are arranged on the substrate
Have：First luminescence unit and the second luminescence unit, and the light emitting angle of first luminescence unit is less than the described second luminous list
The light emitting angle of member；
Described control unit is used for：Under peep-proof display pattern, controls first luminescence unit and shine, and forbid described in control
Second luminescence unit shines；Under non-peep-proof display pattern, controls second luminescence unit and shine.
9. a kind of control method of illuminating module, which is characterized in that described to shine for the control unit in the illuminating module
Mould group further includes substrate, is provided on the substrate：First luminescence unit and the second luminescence unit, and first luminescence unit
Light emitting angle be less than second luminescence unit light emitting angle；The method includes：
It under peep-proof display pattern, controls first luminescence unit and shines, and forbid controlling second luminescence unit and shine；
Under non-peep-proof display pattern, controls second luminescence unit and shine.
10. a kind of display device, which is characterized in that the display device includes the hair as described in any in claim 1-6,8
Optical mode group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810823725.9A CN108897169B (en) | 2018-07-25 | 2018-07-25 | Light-emitting module, control method thereof and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810823725.9A CN108897169B (en) | 2018-07-25 | 2018-07-25 | Light-emitting module, control method thereof and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108897169A true CN108897169A (en) | 2018-11-27 |
| CN108897169B CN108897169B (en) | 2021-10-12 |
Family
ID=64352692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810823725.9A Active CN108897169B (en) | 2018-07-25 | 2018-07-25 | Light-emitting module, control method thereof and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108897169B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189628A (en) * | 2019-06-28 | 2019-08-30 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN110333623A (en) * | 2019-06-17 | 2019-10-15 | 武汉华星光电技术有限公司 | Display device |
| CN112445023A (en) * | 2019-08-29 | 2021-03-05 | 惠州视维新技术有限公司 | Backlight module, display equipment and control method thereof |
| CN113448112A (en) * | 2020-08-13 | 2021-09-28 | 重庆康佳光电技术研究院有限公司 | Display panel and electronic device |
| US11442299B2 (en) | 2019-05-17 | 2022-09-13 | Chongqing Boe Optoelectronics Technology Co., Ltd. | Display module, display device and viewing-angle switching method |
| WO2022252284A1 (en) * | 2021-06-02 | 2022-12-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display apparatus |
| CN115620634A (en) * | 2022-09-29 | 2023-01-17 | 上海天马微电子有限公司 | Display module and display device |
| US11862113B2 (en) | 2020-08-13 | 2024-01-02 | Chongqing Konka Photoelectric Technology Research Institute Co., Ltd. | Display panel and electronic device |
| WO2024098247A1 (en) * | 2022-11-08 | 2024-05-16 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004303578A (en) * | 2003-03-31 | 2004-10-28 | Toyoda Gosei Co Ltd | Planar light source device |
| US20090310064A1 (en) * | 2008-06-16 | 2009-12-17 | Samsung Electronics Co., Ltd. | Striped diffuser, method of manufacturing the same, and liquid crystal display device with adjustable viewing angle employing the striped diffuser |
| CN104266116A (en) * | 2014-10-09 | 2015-01-07 | 深圳市华星光电技术有限公司 | Backlight structure and liquid crystal display screen |
| CN106090730A (en) * | 2016-07-04 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN106932854A (en) * | 2015-12-30 | 2017-07-07 | 乐金显示有限公司 | The changeable back light unit in visual angle |
| CN107664871A (en) * | 2016-07-27 | 2018-02-06 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
-
2018
- 2018-07-25 CN CN201810823725.9A patent/CN108897169B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004303578A (en) * | 2003-03-31 | 2004-10-28 | Toyoda Gosei Co Ltd | Planar light source device |
| US20090310064A1 (en) * | 2008-06-16 | 2009-12-17 | Samsung Electronics Co., Ltd. | Striped diffuser, method of manufacturing the same, and liquid crystal display device with adjustable viewing angle employing the striped diffuser |
| CN104266116A (en) * | 2014-10-09 | 2015-01-07 | 深圳市华星光电技术有限公司 | Backlight structure and liquid crystal display screen |
| CN106932854A (en) * | 2015-12-30 | 2017-07-07 | 乐金显示有限公司 | The changeable back light unit in visual angle |
| CN106090730A (en) * | 2016-07-04 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN107664871A (en) * | 2016-07-27 | 2018-02-06 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11442299B2 (en) | 2019-05-17 | 2022-09-13 | Chongqing Boe Optoelectronics Technology Co., Ltd. | Display module, display device and viewing-angle switching method |
| CN110333623A (en) * | 2019-06-17 | 2019-10-15 | 武汉华星光电技术有限公司 | Display device |
| CN110333623B (en) * | 2019-06-17 | 2021-01-15 | 武汉华星光电技术有限公司 | Display device |
| CN110189628A (en) * | 2019-06-28 | 2019-08-30 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN112445023A (en) * | 2019-08-29 | 2021-03-05 | 惠州视维新技术有限公司 | Backlight module, display equipment and control method thereof |
| CN113448112A (en) * | 2020-08-13 | 2021-09-28 | 重庆康佳光电技术研究院有限公司 | Display panel and electronic device |
| CN113448112B (en) * | 2020-08-13 | 2022-05-20 | 重庆康佳光电技术研究院有限公司 | Display panel and electronic device |
| US11862113B2 (en) | 2020-08-13 | 2024-01-02 | Chongqing Konka Photoelectric Technology Research Institute Co., Ltd. | Display panel and electronic device |
| WO2022252284A1 (en) * | 2021-06-02 | 2022-12-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display apparatus |
| US12050334B2 (en) | 2021-06-02 | 2024-07-30 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Backlight module and display device |
| CN115620634A (en) * | 2022-09-29 | 2023-01-17 | 上海天马微电子有限公司 | Display module and display device |
| WO2024098247A1 (en) * | 2022-11-08 | 2024-05-16 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108897169B (en) | 2021-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108897169A (en) | Illuminating module and its control method, display device | |
| CN110231735B (en) | display device | |
| WO2018214422A1 (en) | Display device and driving method therefor | |
| RU2449493C2 (en) | Displaying instrument with generation of ambient illumination using switched panel | |
| KR101858655B1 (en) | Lcd panel, terminal and method for photo-sensing control, program and recording medium | |
| CN105487292A (en) | Backlight module, display device and driving method thereof | |
| CN107111987A (en) | The sub-pixel of display with controllable visual angle | |
| JP2000321993A (en) | Display panel and its manufacture, display method and display device using the method and digital camera mounting the display device, viewfinder, and image processing method | |
| KR102361974B1 (en) | Display apparatus and light apparatus thereof | |
| CN108957849A (en) | screen assembly and electronic device | |
| CN108828817A (en) | Display panel and display device | |
| KR102454913B1 (en) | Display apparatus and light apparatus thereof | |
| KR101852429B1 (en) | Liquid micro shutter display device | |
| CN101529491A (en) | Video and content controlled backlight | |
| CN108227305A (en) | Backlight module and display device | |
| US9436035B2 (en) | Methods and apparatus to construct an ultrathin display panel | |
| CN110286518B (en) | Display module, control method thereof and display device | |
| CN112213885A (en) | Backlight module and display device | |
| CN101833216A (en) | Electrophoretic display panel and device | |
| WO2019119565A1 (en) | Display apparatus and control method therefor | |
| US20200194494A1 (en) | Light emitting device and display | |
| JP3660414B2 (en) | Display device and driving method thereof | |
| CN111863858B (en) | Display panel, driving method thereof and display device | |
| US9494822B2 (en) | Thin backlight for LCD displays through use of field-induced polymer electro luminescence panels | |
| CN112987394B (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |