CN107564470A - The brightness adjusting method and relevant apparatus of a kind of organic electroluminescence display panel - Google Patents
The brightness adjusting method and relevant apparatus of a kind of organic electroluminescence display panel Download PDFInfo
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Abstract
The invention discloses a kind of brightness adjusting method of organic electroluminescence display panel and relevant apparatus, the brightness adjusting method is by determining the first brightness of current organic electroluminescence display panel Transparence Display area unit area, and the second brightness of nontransparent viewing area unit area；And the brightness for the first luminescent device that pixel in Transparence Display region includes can be adjusted according to the first brightness and the second brightness currently shown, and/or in nontransparent viewing area the second luminescent device that pixel includes brightness, so that the brightness of the Transparence Display area unit area after regulation is identical with the brightness of nontransparent viewing area unit area, so as to effectively increase the overall brightness uniformity of organic electroluminescence display panel.
Description
Technical field
The present invention relates to the brightness adjusting method and phase of display technology field, more particularly to a kind of organic electroluminescence display panel
Close device.
Background technology
With the continuous development of the popularization of internet, and Display Technique, the display panel of high-quality turns into numerous electricity
The key character of sub- consumer products.Compared with liquid crystal display panel, organic electroluminescence display panel has self-luminous, energy consumption low, raw
Production cost is low, visual angle is wide, contrast is high, the displaying of fast response time, color is more true to nature, is more easily implemented lightening and flexibility
The advantages that.At present, in display fields such as mobile phone, digital camera, computer, personal digital assistants, organic electroluminescence display panel is
Start to substitute traditional liquid crystal display panel, be expected to select as the main flow of display panel of future generation.
As mobile phone etc. shows the development of electronic product, the lifting of the screen accounting of organic electroluminescence display panel turns into a kind of and produced
Product trend, and the functional element of the mobile phone such as front camera indispensability must turn into the big factor for restricting screen accounting lifting.Pin
To this problem, as shown in figure 1, it is proposed that the scheme of the lower camera of screen, that is, using reduces local pixel density to increase
The mode of screen light transmittance, camera is moved to below screen.Compared to normal nontransparent viewing area, camera is corresponding aobvious
Show that the picture element density in region is relatively low, the light transmittance that viewing area is corresponded to so as to improve camera realizes that local transparent is shown.
However, relatively low picture element density will certainly cause nontransparent viewing area AA around local transparent viewing area TA brightness ratio
Brightness is decreased obviously, and causes the brightness irregularities of whole on-screen display (osd) area.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of brightness adjusting method of organic electroluminescence display panel and related dress
Put, to improve the overall brightness uniformity of organic electroluminescence display panel.
Therefore, the brightness adjusting method of a kind of organic electroluminescence display panel provided in an embodiment of the present invention, including：
The first brightness of presently described organic electroluminescence display panel Transparence Display area unit area is determined, and it is nontransparent
Second brightness of viewing area unit area；
According to first brightness and second brightness currently shown, pixel bag in the Transparence Display region is adjusted
The brightness for the second luminescent device that pixel includes in the brightness of the first luminescent device contained, and/or the nontransparent viewing area,
So that the brightness of the Transparence Display area unit area after regulation and the brightness of the nontransparent viewing area unit area
It is identical.
In a kind of possible implementation, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, described
According to first brightness and second brightness currently shown, the first hair that pixel includes in the Transparence Display region is adjusted
The brightness for the second luminescent device that pixel includes, is specifically included in the brightness of optical device, and/or the nontransparent viewing area：
Control the operating current of first luminescent device identical with the operating current of second luminescent device, and adjust
The luminous duration of the luminous duration of first luminescent device and/or second luminescent device, to first luminescent device
The ratio between the luminous duration of luminous duration and second luminescent device be equal to second brightness that currently shows and described the
The ratio between one brightness.
In a kind of possible implementation, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, the tune
The luminous duration of first luminescent device and/or the luminous duration of second luminescent device are saved, to first photophore
The ratio between the luminous duration of part and luminous duration of second luminescent device be equal to second brightness that currently shows with it is described
The ratio between first brightness, is specifically included：
According to the first image element circuit for driving first luminescent device to light, and the work of first image element circuit
Timing diagram, it is determined that the first signal of the luminous duration of control first luminescent device；And according to driving second photophore
The second luminous image element circuit of part, and the working timing figure of second image element circuit, it is determined that control second photophore
The secondary signal of the luminous duration of part；
By the luminous duration of the first luminescent device described in first Signal Regulation determined, and/or pass through determination
The secondary signal that goes out adjusts the luminous duration of second luminescent device, to first luminescent device luminous duration with
The ratio between luminous duration of second luminescent device is equal to the ratio between second brightness currently shown and described first brightness.
In a kind of possible implementation, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, described
According to first brightness and second brightness currently shown, the first hair that pixel includes in the Transparence Display region is adjusted
The brightness for the second luminescent device that pixel includes, is specifically included in the brightness of optical device, and/or the nontransparent viewing area：
Control the luminous duration of first luminescent device identical with the luminous duration of second luminescent device, and adjust
The operating current of the operating current of first luminescent device and/or second luminescent device, to first luminescent device
The ratio between the operating current of operating current and second luminescent device be equal to second brightness that currently shows and described the
The ratio between one brightness.
In a kind of possible implementation, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, the tune
The operating current of first luminescent device and/or the operating current of second luminescent device are saved, to first photophore
The ratio between the operating current of part and operating current of second luminescent device be equal to second brightness that currently shows with it is described
The ratio between first brightness, is specifically included：
According to the first image element circuit for driving first luminescent device to light, and the work of first image element circuit
Timing diagram, it is determined that determining the 3rd signal of the operating current of first luminescent device；And according to driving second photophore
The second luminous image element circuit of part, and the working timing figure of second image element circuit, it is determined that determining second photophore
4th signal of the operating current of part；
By the operating current of the first luminescent device described in the 3rd Signal Regulation determined, and/or pass through determination
The operating current of second luminescent device described in the 4th Signal Regulation gone out, to first luminescent device operating current with
The ratio between operating current of second luminescent device is equal to the ratio between second brightness currently shown and described first brightness.
The embodiment of the present invention additionally provides a kind of organic electroluminescence display panel, and the brightness of the organic electroluminescence display panel
It is adjusted using above-mentioned brightness adjusting method.
In a kind of possible implementation, in above-mentioned organic electroluminescence display panel provided in an embodiment of the present invention, bag
Include：Array base palte, and the first control circuit and second control circuit of the non-display area positioned at the array base palte；Its
In,
The first control circuit, for control pixel includes in Transparence Display region the first luminescent device it is luminous when
It is long；
The second control circuit, for controlling the luminous of pixel includes in nontransparent viewing area the second luminescent device
Duration.
In a kind of possible implementation, in above-mentioned organic electroluminescence display panel provided in an embodiment of the present invention, also
Including：First control signal wire, the first control signal for the first control circuit to be exported are transmitted to driving described the
Input corresponding to the first luminous image element circuit of one luminescent device.
In a kind of possible implementation, in above-mentioned organic electroluminescence display panel provided in an embodiment of the present invention, also
Including：Second control signal wire, the second control signal for the second control circuit to be exported are transmitted to driving described the
Input corresponding to the second luminous image element circuit of two luminescent devices.
The embodiment of the present invention additionally provides a kind of display device, including above-mentioned organic electroluminescence display panel.
The present invention has the beneficial effect that：
The brightness adjusting method and relevant apparatus of organic electroluminescence display panel provided in an embodiment of the present invention, the brightness regulation
Method includes：It is determined that the first brightness of current organic electroluminescence display panel Transparence Display area unit area, and it is nontransparent aobvious
Show the second brightness of area unit area；According to the first brightness and the second brightness currently shown, adjust in Transparence Display region
The brightness for the first luminescent device that pixel includes, and/or the second luminescent device that pixel includes in nontransparent viewing area are bright
Degree, so that the brightness of the Transparence Display area unit area after regulation is identical with the brightness of nontransparent viewing area unit area.
Because the brightness adjusting method is by determining the first brightness of current organic electroluminescence display panel Transparence Display area unit area,
And the second brightness of nontransparent viewing area unit area；And it is determined that the first brightness currently shown is different with the second brightness
When, the first photophore that pixel in Transparence Display region includes can be adjusted according to the first brightness and the second brightness currently shown
The brightness for the second luminescent device that pixel includes in the brightness of part, and/or nontransparent viewing area, so that transparent aobvious after regulation
Show that the brightness of area unit area is identical with the brightness of nontransparent viewing area unit area, therefore effectively increase organic light emission
The overall brightness uniformity of display panel.
Brief description of the drawings
Fig. 1 is the structural representation of organic electroluminescence display panel in the prior art；
Fig. 2 is the flow chart of the brightness adjusting method of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of image element circuit in the prior art；
Fig. 4 is the working timing figure of the image element circuit shown in Fig. 3 in the prior art；
Fig. 5 a to Fig. 5 c are respectively the working timing figure of image element circuit as shown in Figure 3 provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, to the brightness adjusting method and correlation of organic electroluminescence display panel provided in an embodiment of the present invention
The embodiment of device is described in detail.It should be noted that embodiment described herein is only the present invention
Part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, belongs to the scope of protection of the invention.
The brightness adjusting method of a kind of organic electroluminescence display panel provided in an embodiment of the present invention, as shown in Fig. 2 specifically may be used
To comprise the following steps：
S201, the first brightness for determining current organic electroluminescence display panel Transparence Display area unit area, and it is non-
Obvious the second brightness for showing area unit area；
S202, according to the first brightness and the second brightness that currently show, pixel includes in regulation Transparence Display region the
The brightness for the second luminescent device that pixel includes in the brightness of one luminescent device, and/or nontransparent viewing area, so that after regulation
Transparence Display area unit area brightness it is identical with the brightness of nontransparent viewing area unit area.
, can be according to the first brightness currently shown and second in above-mentioned brightness adjusting method provided in an embodiment of the present invention
Brightness adjusts the brightness for the first luminescent device that pixel in Transparence Display region includes, and/or picture in nontransparent viewing area
The brightness for the second luminescent device that element includes, so that the brightness of the Transparence Display area unit area after regulation and nontransparent display
The brightness of area unit area is identical, therefore effectively increases the overall brightness uniformity of organic electroluminescence display panel.
According to bloch's law：I*T=C, wherein, I is operating current, and T is luminous duration, and C is brightness, it is known that brightness
Size depends on the product of operating current and luminous duration, i.e., can be produced in certain luminous duration and under certain operating current
The luminous effect of raw certain brightness.Then, in the specific implementation, brightness can be adjusted by adjustment work electric current or luminous duration
Size.
In view of this, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, according to current aobvious in step S202
The first brightness and the second brightness shown, the brightness of the first luminescent device that pixel includes in Transparence Display region is adjusted, and/or it is non-
The brightness for the second luminescent device that pixel includes in Transparence Display region, it can specifically be carried out by following two embodiments real
It is existing：
Wherein, a kind of possible embodiment is：Control the operating current and second luminescent device of the first luminescent device
Operating current is identical, and adjusts the luminous duration of the first luminescent device and/or the luminous duration of the second luminescent device, to the first hair
The ratio between the luminous duration of optical device and the luminous duration of the second luminescent device are equal to the second brightness and the first brightness currently shown
The ratio between.
That is, in the operating current and the operating current identical bar of the second luminescent device that control the first luminescent device
Under part, luminous duration of second luminescent device under the second brightness currently shown can be kept constant, and pass through regulation first
The luminous duration of luminescent device so that the ratio between the luminous duration of the first luminescent device and luminous duration of the second luminescent device are equal to
The ratio between second brightness and the first brightness for currently showing；Or the first luminescent device can also be kept bright in first currently shown
The lower luminous duration of degree is constant, and passes through the luminous duration of the second luminescent device of regulation so that the first luminescent device it is luminous when
The ratio between long luminous duration with the second luminescent device is equal to the ratio between the second brightness currently shown and first brightness；Or can be with
The luminous duration of the first luminescent device, and the luminous duration of the second luminescent device are adjusted simultaneously, so that the first luminescent device
The ratio between luminous duration of luminous duration and the second luminescent device is equal to the ratio between the second brightness currently shown and first brightness.
Alternatively possible embodiment is：Control the luminous duration of the first luminescent device and lighting for the second luminescent device
Duration is identical, and adjusts the operating current of the first luminescent device and/or the operating current of the second luminescent device, to the first photophore
The ratio between operating current of the operating current of part and the second luminescent device is equal to the ratio between the second brightness currently shown and first brightness.
That is, in the luminous duration and the luminous duration identical bar of the second luminescent device that control the first luminescent device
Under part, operating current of second luminescent device under the second brightness currently shown can be kept constant, and pass through regulation first
The operating current of luminescent device so that the ratio between the operating current of the first luminescent device and operating current of the second luminescent device are equal to
The ratio between second brightness and the first brightness for currently showing；Or the first luminescent device can also be kept bright in first currently shown
Operating current under degree is constant, and by adjusting the operating current of the second luminescent device so that the work electricity of the first luminescent device
The ratio between operating current of stream and the second luminescent device is equal to the ratio between second brightness currently shown and first brightness；Or can be with
The operating current of the first luminescent device, and the operating current of the second luminescent device are adjusted simultaneously, so that the first luminescent device
The ratio between operating current of operating current and the second luminescent device is equal to the ratio between the second brightness currently shown and first brightness.
Further, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, step S202 specific embodiment party
The luminous duration of the first luminescent device and/or the luminous duration of the second luminescent device are adjusted in formula, to the hair of the first luminescent device
Light time grows the ratio between luminous duration with the second luminescent device and is equal to the ratio between the second brightness currently shown and first brightness, specifically may be used
To comprise the following steps：
The first image element circuit to be lighted according to the first luminescent device of driving, and the working timing figure of the first image element circuit,
It is determined that the first signal of the luminous duration of the first luminescent device of control；And according to the second luminous pixel of the second luminescent device of driving
Circuit, and the working timing figure of the second image element circuit, it is determined that the secondary signal of the luminous duration of the second luminescent device of control；
Pass through the luminous duration for first the first luminescent device of Signal Regulation determined, and/or second by determining
The luminous duration of the luminescent device of Signal Regulation second, to the first luminescent device luminous duration and the second luminescent device it is luminous when
It is the ratio between long to be equal to the ratio between the second brightness currently shown and first brightness.
Specifically, in above-mentioned brightness adjusting method provided in an embodiment of the present invention, step S202 embodiment
The operating current of the first luminescent device of middle regulation and/or the operating current of the second luminescent device, to the work of the first luminescent device
The ratio between operating current of electric current and the second luminescent device is equal to the ratio between second brightness for currently showing and first brightness, specifically can be with
Comprise the following steps：
The first image element circuit to be lighted according to the first luminescent device of driving, and the working timing figure of the first image element circuit,
It is determined that determine the 3rd signal of the operating current of the first luminescent device；And according to the second luminous pixel of the second luminescent device of driving
Circuit, and the working timing figure of the second image element circuit, it is determined that determining the 4th signal of the operating current of the second luminescent device；
Pass through the operating current for the 3rd the first luminescent device of Signal Regulation determined, and/or the by determining the 4th
The operating current of the luminescent device of Signal Regulation second, to the operating current of the first luminescent device and the work electricity of the second luminescent device
The ratio between stream is equal to the ratio between the second brightness currently shown and first brightness.
It should be noted that in above-mentioned brightness adjusting method provided in an embodiment of the present invention, the knot of the first image element circuit
Structure can also be differed, not limited herein with identical with the structure of the second image element circuit.
Correspondingly, the embodiments of the invention provide a kind of organic electroluminescence display panel, and the organic electroluminescence display panel
Brightness is adjusted using above-mentioned brightness adjusting method.
It should be noted that above-mentioned organic electroluminescence display panel provided in an embodiment of the present invention, including people in the art
Essential part, will not be described here, also should not be taken as limiting the invention known to member.
Further, the luminous duration to the first luminescent device in Transparence Display region and nontransparent viewing area are being needed
In the luminous duration of the second luminescent device when being controlled respectively, in above-mentioned organic light emitting display face provided in an embodiment of the present invention
In plate, the first control circuit and second control circuit of the non-display area positioned at array base palte can also be included；Wherein,
First control circuit, for controlling the luminous duration of the first luminescent device that pixel includes in Transparence Display region；
Second control circuit, for control pixel includes in nontransparent viewing area the second luminescent device it is luminous when
It is long.
Specifically, for the ease of realizing control of the first control circuit to the luminous duration of the first luminescent device, in this hair
In the above-mentioned organic electroluminescence display panel that bright embodiment provides, it can also include：First control signal wire, for first to be controlled
First control signal of circuit output is transmitted to input corresponding to the first luminous image element circuit of the first luminescent device of driving.
Also, for the ease of realizing control of the second control circuit to the luminous duration of the second luminescent device, in the present invention
In the above-mentioned organic electroluminescence display panel that embodiment provides, it can also include：Second control signal wire, for the second control is electric
Second control signal of road output is transmitted to input corresponding to the second luminous image element circuit of the second luminescent device of driving.
It is worth noting that, the species comprising signal wire in the first image element circuit with influenceing first in the first control signal wire
The factor quantity of the luminous duration of luminescent device is identical；And second species comprising signal wire in control signal wire and the second pixel
The factor quantity that the luminous duration of the second luminescent device is influenceed in circuit is identical.
Technical scheme for a better understanding of the present invention, below with luminous the first pixel electricity of the first luminescent device of driving
It is described in detail exemplified by the structure on road is identical with the structure for the second image element circuit that the second luminescent device of driving is luminous.Specifically
Ground, the first image element circuit and the second image element circuit are the image element circuit shown in Fig. 3.
First, the course of work of the image element circuit shown in Fig. 3 is described.Wherein in the image element circuit shown in Fig. 3,
Each transistor is P-type transistor, and each P-type transistor turns under low level effect, is ended under high level effect；It is corresponding
Working timing figure is as shown in figure 4, specifically, from the reset phase t1 in the working timing figure shown in Fig. 4, data write phase
It is described in detail exemplified by t2 and glow phase t3.
Reset phase t1：Reset signal end Reset is low level, and gated sweep signal end Gate is high level, and light control
End EM processed is high level.
First switch transistor T1 is in the conduction state, and second switch transistor T2, the 3rd switching transistor T3, the 4th open
Close transistor T4 and the 5th switching transistor T5 and be in cut-off state.The first switch transistor T1 of conducting is by driving transistor D
Grid (that is, node N1) and reset signal end Vinit conductings, carried out with the voltage of the grid to driving transistor D initial
Change, eliminate influence of the previous pressure difference to follow-up phase.
Data write phase t2：Reset signal end Reset is high level, and gated sweep signal end Gate is low level, hair
Photocontrol end EM is high level.
Second switch transistor T2 and the 3rd switching transistor T3 are in the conduction state, first switch transistor T1, the 4th
Switching transistor T4 and the 5th switching transistor T5 are in cut-off state.Now driving transistor D is in the conduction state, data letter
Number line Data signal VdataSecond transistor T2, driving transistor D and the 3rd switching transistor T3 by conducting export to
Node N1, finish node N1 voltage are Vdata-Vth, electric capacity C storage voltages Vdata-Vth, wherein VthFor driving transistor D threshold
Threshold voltage.
Glow phase t3：Reset signal end Reset is high level, and gated sweep signal end Gate is high level, and light control
End EM processed is low level.
4th switching transistor T4 and the 5th switching transistor T5 are in the conduction state, first switch transistor T1, second
Switching transistor T2 and the 3rd switching transistor T3 are in cut-off state.The switches of 4th switching transistor T4 of conducting and the 5th are brilliant
Body pipe T5 turns on driving transistor D source electrode with the first reference voltage signal end ELVDD, to access the first reference voltage signal
Hold ELVDD signal Vdd；And turn on driving transistor D drain electrode with luminescent device OLED anode, to drive luminescent device
OLED normal luminous, and luminescent device OLED operating current IOLEDFor：
Wherein, K is the constant relevant with driving transistor D technological parameter and physical dimension, VGSFor driving transistor D's
Voltage difference between grid and source electrode.
Seen from the above description, opened in glow phase t3, light emitting control end EM controls the 4th switching transistor T4 and the 5th
Transistor T5 conductings are closed, so that luminescent device OLED continuous illuminations in glow phase t3, therefore, in the picture shown in Fig. 3
In plain circuit, light emitting control end EM determines luminescent device OLED luminous duration.
Then, when being adjusted using brightness of the technical scheme to organic electroluminescence display panel, specifically may be used
To be realized by following steps：
It is determined that the first brightness of current organic electroluminescence display panel Transparence Display area unit area, and nontransparent display
Second brightness of area unit area；
It is luminous in the first luminescent device in Transparence Display region and nontransparent viewing area second in data write phase
Device provides identical data-signal, to ensure the work of the operating current of follow-up first luminescent device and the second luminescent device electricity
Flow identical；And in glow phase, it is shown as shown in Figure 5 a to 5 c, pass through the luminous of the image element circuit that drives the first luminescent device luminous
Control terminal EM1 maintains luminous duration of first luminescent device under the first brightness constant, i.e. t31=t3, while passes through driving the
The luminous duration of light emitting control end EM2 the second luminescent devices of shortening of the luminous image element circuit of two luminescent devices, i.e. t32 ＜ t3,
So that the luminous duration of the first luminescent device and the ratio between the luminous duration of the second luminescent device are equal to the second brightness currently shown
The ratio between with the first brightness.From I*T=C, after carrying out above-mentioned regulation, the brightness of Transparence Display area unit area with it is nontransparent
The brightness of viewing area unit area is identical, so as to improve the brightness uniformity of organic electroluminescence display panel.
It should be noted that in Transparence Display region it can be seen from Fig. 5 a to Fig. 5 c the driver' s timing of image element circuit with
The driver' s timing of image element circuit is different in nontransparent viewing area, therefore, in the specific implementation, it is necessary to be directed to Transparence Display region
Image element circuit separately designs an emission control circuit (EM-GOA) in middle image element circuit and nontransparent viewing area, and also needs to pair
The LED control signal line of the output end input corresponding with image element circuit of connection emission control circuit should be set.
It is possible to further find out, in Fig. 5 a to Fig. 5 c, gated sweep signal end Gate loading duration is kept not
Become；In the specific implementation, can also be according to light emitting control end EM1 and EM2 loading duration, adaptability regulation gated sweep signal
Gate loading duration is held, in this case, it is also necessary to image element circuit in Transparence Display region and nontransparent viewing area
Middle image element circuit separately designs a gate driving circuit (Gate-GOA), and is correspondingly arranged the output end of connection gate driving circuit
The grid line of input corresponding with image element circuit.
In addition, the working timing figure shown in image element circuit and Fig. 4 according to Fig. 3, luminescent device OLED work is drawn
It is as current formulaIt follows that the size and data of luminescent device OLED operating current
Signal VdataIt is relevant.Therefore, when being adjusted using brightness of the technical scheme to organic electroluminescence display panel, tool
Body can also be realized by following steps：
It is determined that the first brightness of current organic electroluminescence display panel Transparence Display area unit area, and nontransparent display
Second brightness of area unit area；
In data write phase, keep into nontransparent viewing area the second luminescent device to provide and currently shown with it
Identical data-signal under second brightness；And reduce the data-signal that the first luminescent device provides into Transparence Display region, with
Make the ratio between the operating current of the first luminescent device and the operating current of the second luminescent device be equal to the second brightness for currently showing with
The ratio between first brightness；And in glow phase, pass through the luminous duration and second that LED control signal end controls the first luminescent device
The luminous duration of luminescent device is identical.From I*T=C, after carrying out above-mentioned regulation, the brightness of Transparence Display area unit area
It is identical with the brightness of nontransparent viewing area unit area, so as to improve the brightness uniformity of organic electroluminescence display panel.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, including the embodiment of the present invention carries
The above-mentioned organic electroluminescence display panel supplied, the display device can be：Mobile phone, tablet personal computer, television set, display, notebook
Any product with display function such as computer, digital camera, navigator, intelligent watch, body building wrist strap, personal digital assistant or
Part.Other essential parts for the display device are it will be apparent to an ordinarily skilled person in the art that tool
Have, will not be described here, also should not be taken as limiting the invention.The implementation of the display device may refer to above-mentioned organic hair
The embodiment of light display panel, repeat part and repeat no more.
The brightness adjusting method and relevant apparatus of above-mentioned organic electroluminescence display panel provided in an embodiment of the present invention, the brightness
Adjusting method includes：It is determined that the first brightness of current organic electroluminescence display panel Transparence Display area unit area, and it is non-
Obvious the second brightness for showing area unit area；According to the first brightness and the second brightness currently shown, regulation Transparence Display area
The brightness for the first luminescent device that pixel includes in domain, and/or the second luminescent device that pixel includes in nontransparent viewing area
Brightness so that regulation after Transparence Display area unit area brightness and the brightness phase of nontransparent viewing area unit area
Together.Because the brightness adjusting method is bright by determine current organic electroluminescence display panel Transparence Display area unit area first
Degree, and the second brightness of nontransparent viewing area unit area；And it is determined that the first brightness and the second brightness that currently show
When different, the first hair that pixel includes in Transparence Display region can be adjusted according to the first brightness and the second brightness currently shown
The brightness for the second luminescent device that pixel includes in the brightness of optical device, and/or nontransparent viewing area, so that saturating after regulation
Substantially show that the brightness of area unit area is identical with the brightness of nontransparent viewing area unit area, therefore effectively increase organic
The overall brightness uniformity of light emitting display panel.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply to exist between these entities or operation and appoint
What this actual relation or order.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. brightness adjusting method of organic electroluminescence display panel, it is characterised in that including：Determine the first brightness of presently described organic electroluminescence display panel Transparence Display area unit area, and nontransparent display Second brightness of area unit area；According to first brightness and second brightness currently shown, adjust what pixel in the Transparence Display region included The brightness for the second luminescent device that pixel includes in the brightness of first luminescent device, and/or the nontransparent viewing area, so that The brightness of the Transparence Display area unit area after regulation is identical with the brightness of the nontransparent viewing area unit area.
- 2. brightness adjusting method as claimed in claim 1, it is characterised in that first brightness that the basis is currently shown With second brightness, the brightness of the first luminescent device that pixel includes in the Transparence Display region is adjusted, and/or it is described non- The brightness for the second luminescent device that pixel includes, is specifically included in Transparence Display region：Control the operating current of first luminescent device identical with the operating current of second luminescent device, and described in regulation The luminous duration of the luminous duration of first luminescent device and/or second luminescent device, to the hair of first luminescent device Light time is grown bright equal to second brightness currently shown and described first with the ratio between the luminous duration of second luminescent device The ratio between degree.
- 3. brightness adjusting method as claimed in claim 2, it is characterised in that regulation first luminescent device lights The luminous duration of duration and/or second luminescent device, to luminous duration and the described second hair of first luminescent device The ratio between luminous duration of optical device is equal to the ratio between second brightness currently shown and described first brightness, specifically includes：According to the first image element circuit for driving first luminescent device to light, and the work schedule of first image element circuit Figure, it is determined that the first signal of the luminous duration of control first luminescent device；And sent out according to driving second luminescent device Second image element circuit of light, and the working timing figure of second image element circuit, it is determined that control second luminescent device The secondary signal of luminous duration；By the luminous duration of the first luminescent device described in first Signal Regulation determined, and/or by determining The secondary signal adjusts the luminous duration of second luminescent device, to first luminescent device luminous duration with it is described The ratio between luminous duration of second luminescent device is equal to the ratio between second brightness currently shown and described first brightness.
- 4. brightness adjusting method as claimed in claim 1, it is characterised in that first brightness that the basis is currently shown With second brightness, the brightness of the first luminescent device that pixel includes in the Transparence Display region is adjusted, and/or it is described non- The brightness for the second luminescent device that pixel includes, is specifically included in Transparence Display region：Control the luminous duration of first luminescent device identical with the luminous duration of second luminescent device, and described in regulation The operating current of the operating current of first luminescent device and/or second luminescent device, to the work of first luminescent device Make electric current and the ratio between the operating current of second luminescent device is bright equal to second brightness currently shown and described first The ratio between degree.
- 5. brightness adjusting method as claimed in claim 4, it is characterised in that the work of regulation first luminescent device The operating current of electric current and/or second luminescent device, to operating current and the described second hair of first luminescent device The ratio between operating current of optical device is equal to the ratio between second brightness currently shown and described first brightness, specifically includes：According to the first image element circuit for driving first luminescent device to light, and the work schedule of first image element circuit Figure, it is determined that determining the 3rd signal of the operating current of first luminescent device；And sent out according to driving second luminescent device Second image element circuit of light, and the working timing figure of second image element circuit, it is determined that determining second luminescent device 4th signal of operating current；By the operating current of the first luminescent device described in the 3rd Signal Regulation determined, and/or by determining The operating current of second luminescent device described in 4th Signal Regulation, to first luminescent device operating current with it is described The ratio between operating current of second luminescent device is equal to the ratio between second brightness currently shown and described first brightness.
- A kind of 6. organic electroluminescence display panel, it is characterised in that：The brightness of the organic electroluminescence display panel uses right such as will The brightness adjusting method described in any one of 1-5 is asked to be adjusted.
- 7. organic electroluminescence display panel as claimed in claim 6, including：Array base palte, it is characterised in that also include：It is located at The first control circuit and second control circuit of the non-display area of the array base palte；Wherein,The first control circuit, for controlling the luminous duration of the first luminescent device that pixel includes in Transparence Display region；The second control circuit, for control pixel includes in nontransparent viewing area the second luminescent device it is luminous when It is long.
- 8. organic electroluminescence display panel as claimed in claim 7, it is characterised in that also include：First control signal wire, is used for The first control signal that the first control circuit is exported is transmitted to the first pixel for driving first luminescent device to light Input corresponding to circuit.
- 9. organic electroluminescence display panel as claimed in claim 7, it is characterised in that also include：Second control signal wire, is used for The second control signal that the second control circuit is exported is transmitted to the second pixel for driving second luminescent device to light Input corresponding to circuit.
- 10. a kind of display device, it is characterised in that including the organic electroluminescence display panel as described in claim any one of 6-9.
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