CN104157216B - Drive method of spliced screen - Google Patents

Abstract

An embodiment of the invention provides display screens, a tiled screen and a method for driving the same, and relates to the technical field of display. The display screens comprise display panels and frames. The display panels comprise effective display zones and peripheral fixing zones; the frames comprise front frames, side frames and connecting portions, and the connecting portions are used for being connected with the front frames and the side frames; the front frames are attached to the peripheral fixing zones of the display panels in a pressing manner, and obtuse included angles are formed between the front frames and light emergent surfaces of the display panels. The display screens, the tiled screen and the method have the advantages that the widths of dark zones at the peripheral edges of the display screens can be reduced, accordingly, fuzzy display effects can be realized at joints of the tiled screen which comprises the multiple display screens, and the display quality of the tiled screen can be improved; the display screens, the tiled screen and the method are used for manufacturing display devices.

Description

A kind of driving method of mosaic screen

Technical field

The present invention relates to display technology field, more particularly, to a kind of driving method of mosaic screen.

Background technology

With the fast development of Display Technique, lfd (large format display, large screen display) technology gradually becomes For showing the growth requirement of industry；Wherein, carry out splicing using panel display screen be realize large screen display major way it One.

At present, in splicing screen system the piece between screen and screen about in 6mm, such piece may destroy spelling The continuity of map interlinking picture, thus affect viewing effect.

Content of the invention

Embodiments of the invention provide a kind of driving method of mosaic screen, can reduce the dark space width of display screen peripheral, with Make the mosaic screen of multiple display screen compositions can realize fuzzy display at piece position, thus improving the display of described mosaic screen Quality.

For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that

On the one hand, provide a kind of display screen, including display floater and frame；Described display floater include effective display area and Periphery fixed area；Described frame includes front frame and side frame, and for connecting described front frame and the coupling part of described side frame；Its In, described front frame pressure is attached to the periphery fixed area of described display floater, and the exiting surface of described front frame and described display floater it Between there is obtuse angle angle.

Preferably, the angle between the exiting surface of described front frame and described display floater is 120 °～160 °.

Optionally, described frame adopts the frame of transparent material；Wherein, the front frame surface of described frame is provided with reflection Film.

Further alternative, described display screen also includes backlight source module；Described backlight source module is included for for described The corresponding region of frame provides the multiple fine led (light emitting diode, light emitting diode) of backlight；Wherein, institute State multiple fine led by group arrangement in matrix form, and fine led described in every group includes red led, green led and blue led.

Also provide a kind of mosaic screen, described mosaic screen is formed by the docking of multiple display screens；Wherein, described display screen includes The display screen stated.

Optionally, the display screen of described mosaic screen includes backlight source module, and described backlight source module includes multiple fine led；Wherein, the corresponding position in gap that the plurality of fine led is arranged between the display floater of described display screen and frame Place.

On the other hand, provide a kind of driving method of mosaic screen, described mosaic screen is the splicing of the fine led of above-mentioned inclusion Screen；Methods described includes: the connecting method according to described mosaic screen carries out image segmentation to picture signal；To adjacent display screen it Between piece position at intercepting image carry out color and render；Described color renders and specifically includes: backlight source driving circuit is with every k The mode of the corresponding one group of fine led of the grey scale average value of × k pixel drives described fine led to be lighted；Wherein, described section The resolution ratio taking image is m × n；Described m, n are integer；Adjacent display screen splicing regions multigroup fine led with p × q Mode arrange；Described k is the integer more than or equal to 1；Described m, n, p, q meet:

$\frac{m}{p}\≈\frac{n}{q}\≈k.$

Optionally, the corresponding one group of fine led of the grey scale average value of described every k × k pixel specifically includes: every k × k picture Red led in the corresponding one group of fine led of the grey scale average value of the red sub-pixel of element；The green sub-pixels of every k × k pixel The corresponding one group of fine led of grey scale average value in green led；The grey scale average value pair of the blue subpixels of every k × k pixel Answer the blue led in one group of fine led.

Optionally, the described connecting method according to described mosaic screen carries out image segmentation to picture signal and specifically includes；If Determine the connecting method of a × b；The picture input of (a × m) × (b × n) resolution ratio is divided into a × b m × n and differentiates by control system The signal source of rate, and input to a × b corresponding display screen respectively；Wherein, described a, b, m, n be whole more than or equal to 1 Number, and described a and described b at least one be more than 1.

Further alternative, the intercepting image at piece position between to adjacent display screen carries out color and renders it Before, methods described also includes: carries out piece compensation to described mosaic screen.

Further, described described mosaic screen is carried out piece compensate specifically include: choose adjacent described display screen between Intercepting image；The described Pixel Dimensions intercepting image of adjustment, so that the described resolution ratio intercepting image is m × n；

In the case that described intercepting image is the intercepting image (m ＜ n) between the adjacent display screen in left and right,

$\frac{m\×d}{m_0}-1\≤m\≤\frac{m\×d}{m_0}+1,$

$\frac{n\×\[b\×n_0+(b-1)\×d\]}{(b-1)\×d}-1\≤n\≤\frac{n\×\[b\×n_0+(b-1)\×d\]}{(b-1)\×d}+1;$

In the case that described intercepting image is the intercepting image (m ＞ n) between neighbouring display screen,

$\frac{m\×\[a\×m_0+(a-1)\×d\]}{(a-1)\×d}-1\≤m\≤\frac{m\×\[a\×m_0+(a-1)\×d\]}{(a-1)\×d}+1,$

$\frac{n\×d}{n_0}-1\≤n\≤\frac{n\×d}{n_0}+1;$

Wherein, the resolution ratio of the effective display area of described display screen is m₀×n₀；Piece chi between adjacent described display screen Very little for d.

Embodiments of the invention provide a kind of driving method of mosaic screen, and described display screen includes display floater and frame； Described display floater includes effective display area and periphery fixed area；Described frame includes front frame and side frame, and is used for connecting institute State front frame and the coupling part of described side frame；Wherein, described front frame pressure is attached to the periphery fixed area of described display floater, and described There is between the exiting surface of front frame and described display floater obtuse angle angle.

Based on this, by the knot that will be designed as between the exiting surface of described frame and described display floater there is obtuse angle angle Structure, can enable the emergent light of described display floater occur when reaching described front frame to reflect or reflect, so that described side The corresponding region of frame also has certain brightness；So can effectively reduce the dark space width of described display screen peripheral, so that many The mosaic screen of individual display screen composition can be realized obfuscation at piece position and show, thus improving the display product of described mosaic screen Matter.

Brief description

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable Other accompanying drawings are obtained according to these accompanying drawings.

A kind of structural representation one of display screen that Fig. 1 provides for embodiments of the invention；

A kind of structural representation two of display screen that Fig. 2 provides for embodiments of the invention；

A kind of structural representation three of display screen that Fig. 3 provides for embodiments of the invention；

Fig. 4 is a kind of structural representation of mosaic screen of the prior art；

A kind of structural representation of mosaic screen that Fig. 5 provides for embodiments of the invention；

A kind of driving method flow chart one of mosaic screen that Fig. 6 provides for embodiments of the invention；

A kind of driving method flow chart two of mosaic screen that Fig. 7 provides for embodiments of the invention；

A kind of display image one of mosaic screen that Fig. 8 provides for embodiments of the invention；

A kind of display image two of mosaic screen that Fig. 9 provides for embodiments of the invention；

A kind of display image three of mosaic screen that Figure 10 provides for embodiments of the invention.

Reference:

1- display screen；10- display floater；101- effective display area；102- periphery fixed area；20- frame；201- front frame； 202- side frame；203- coupling part；30- backlight source module；301-led；The fine led of 302-.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.

Embodiments of the invention provide a kind of display screen 1, as shown in figure 1, described display screen 1 can include display floater 10 With frame 20；Described display floater 10 can include effective display area 101 and periphery fixed area 102；Described frame 20 can wrap Include front frame 201 and side frame 202 and the coupling part 203 for connecting described front frame 201 and described side frame 202；Wherein, institute State the periphery fixed area 102 that front frame 201 pressure is attached to described display floater 10, and described front frame 201 and described display floater 10 There is between exiting surface obtuse angle angle.

It should be noted that first, the described display screen 1 that embodiments of the invention provide can include lcd (liquid Crystal display, liquid crystal display) and display screen or oled (organic light emitting display, organic Electroluminescent device) display screen naturally it is also possible to include other kinds of display screen, be not specifically limited here.

Second, the effective display area 101 of described display floater 10 refers to the region for display image, its can with described The unlapped region of frame 20 is corresponding；The periphery fixed area 102 of described display floater 10 refers to for fixing described display surface The region of plate 10, it can be corresponding with the region that described frame 20 covers.

3rd, the coupling part 203 of described frame 20 can be mutually perpendicular to described side frame 202, and described front frame 201 is permissible Bend to the direction of described side frame 202 with respect to described coupling part 203；Wherein, the surface of described front frame 201 can be plane Shape or convex-shaped, here is not especially limited, as long as obtuse angle folder can be formed and the exiting surface of described display floater 10 between Angle.

Embodiments of the invention provide a kind of display screen 1, and described display screen 1 can include display floater 10 and frame 20； Described display floater 10 can include effective display area 101 and periphery fixed area 102；Described frame 20 can include front frame 201 Coupling part 203 with side frame 202 and for connecting described front frame 201 and described side frame 202；Wherein, described front frame 201 Pressure is attached to the periphery fixed area 102 of described display floater 10, and between the exiting surface of described front frame 201 and described display floater 10 There is obtuse angle angle.

Based on this, by being designed as with obtuse angle angle between described frame 20 and the exiting surface of described display floater 10 Structure, the emergent light of described display floater 10 can be enable to occur when reaching described front frame 201 to reflect or reflect so that Obtain the corresponding region of described frame 20 and also there is certain brightness；So can effectively reduce the dark space of described display screen 1 periphery Width, so that the mosaic screen of multiple display screen composition can be realized obfuscation at piece position and show, thus improving described spelling Connect the display quality of screen.

On this basis, the surface of described front frame 201 is preferably plane；Described front frame 201 and described display floater 10 Angle between exiting surface is preferably 120 °～160 °.

So, the emergent light of described display floater 10, when inciding the surface of described front frame 201, just can reflect Or refraction, thus reach the corresponding region in described frame 20 front；On this basis, by by described front frame 201 with described Angle between the exiting surface of display floater 10 is set to 120 °～160 °, can will incide described front frame to greatest extent The light on 201 surfaces assembles the corresponding region in described frame 20 front.

Further, described frame 20 can adopt the frame of transparent material.

So, when multiple described display screens form mosaic screen, the frame 20 of described transparent material can be by described display The light that panel 10 sends carries out obfuscation at the piece position between adjacent display screen and shows.

On this basis, front frame 201 surface of described frame 20 is preferably provided with reflectance coating.

Here, described reflectance coating can make the light inciding this region mainly assemble described frame by reflex The corresponding region in 20 fronts, it assembles better for light.

Based on foregoing description understand, embodiments of the invention provide described display screen 1 can be lcd display screen or Oled display screen；In the case that described display screen 1 is lcd display screen, as shown in Figures 2 and 3, described display screen 1 is acceptable Including backlight source module 30.

Need exist for illustrating, the light source set-up mode in described backlight source module 30 can be straight-down negative or side enters Formula, here does not limit.But in view of the spelling when described display screen 1 is used for being formed mosaic screen, between adjacent described display screen 1 Seam distance is less, and the display effect of described mosaic screen is better；Therefore, described display screen 1 preferably employs the display screen of narrow frame.? On the basis of this, it is more beneficial for when described backlight source module 30 is using directly-down light source forming the display screen of narrow frame.

Based on this, with reference to shown in Fig. 2, described backlight source module 30 can include relative with the position of described display floater 10 The normal display that the multiple led301 answering, the plurality of led301 may be used for described display floater 10 provides backlight.

Wherein, the plurality of led301 can be arranged on the backboard of described backlight source module 30 in matrix form, and it is permissible Only include white led it is also possible to include red led, green led and blue led, certainly can also be the group of above-mentioned colors led Close.

On this basis, with reference to shown in Fig. 3, described backlight source module 30 can also include and described display floater 10 and institute State the corresponding multiple fine led302 of interstitial site between frame 20, the plurality of fine led302 may be used for described The corresponding region of frame 20 provides backlight.

Wherein, the plurality of fine led302 can arrange in matrix form by group, and fine led302 described in every group To include red led, green led and blue led.

It should be noted that the described fine led302 providing in embodiments of the invention is with respect to described led301 Speech, it specifically refers to the fine miniaturization led of size；Wherein, described fine led302 preferably employs and is smaller in size than equal to 1.6 The led of × 0.8mm.

So, in the case that described frame 20 adopts transparent border, the light that described fine led302 sends just can be straight Connect the front frame 201 from described frame 20 and coupling part 203 outgoing, so that the narrowing result of peripheral dark region width becomes apparent from； Further, when described display screen is used for being formed mosaic screen, described fine led302 can also be to the piece of described mosaic screen Carrying out color at position to render, thus strengthening display effect, optimizing display quality.

Embodiments of the invention also provide a kind of mosaic screen, and described mosaic screen is formed by the docking of multiple display screens；Wherein, institute State display screen and can include above-mentioned display screen 1.

Here, as shown in figure 4, for traditional mosaic screen, because display screen has the frame of one fixed width, therefore Discontinuous picture can be formed, thus affecting display effect at piece position between adjacent display screen；Based on this, as Fig. 5 institute Show, the described mosaic screen that embodiments of the invention provide can be realized obfuscation at the piece position between adjacent display screen and show Show, thus the discontinuous drawback of display picture improving traditional mosaic screen.

Optionally, in the case that described display screen 1 does not include fine led302, described mosaic screen can only pass through described Obtuse angle setting between the display floater 10 of display screen 1 and front frame 201, so that incide the light warp on described front frame 201 surface Cross reflection or refraction reaches the corresponding region in described frame 20 front, thus the obfuscation realized between adjacent display screen shows Show.

Preferably, in the case that described display screen 1 includes fine led302, described mosaic screen can also pass through backlight Drive circuit controls described multigroup fine led302 to send the light of corresponding color, and so that described light is gone out through transparent border 20 Penetrate, thus rendering to carrying out color at the piece position between adjacent display screen, to reach the effect of fuzzy piece, thus improving The display quality of described mosaic screen.

Embodiments of the invention also provide a kind of driving method of mosaic screen, and described mosaic screen is above-mentioned mosaic screen.

On this basis, as shown in fig. 6, methods described may include that

S1, according to the connecting method of described mosaic screen, image segmentation is carried out to picture signal.

S2, color is carried out to the intercepting image at the piece position between adjacent display screen render.

On this basis, described color renders and specifically may include that backlight source driving circuit with the ash of every k × k pixel The mode of the corresponding one group of fine led of rank mean value drives described fine led to be lighted.

Wherein, the described resolution ratio intercepting image is m × n, and described m, n are integer；Adjacent display screen is in splicing regions Multigroup fine led arranged in the way of p × q；Described k is the integer more than or equal to 1, and it specifically can be in m/p and n/q Higher value rounds up.Described m, n, p, q meet:

$\frac{m}{p}\≈\frac{n}{q}\≈k.$

It should be noted that described intercepting image refers to that the needs between adjacent display screen are intercepted so that it does not show Image；The described concrete size intercepting image can the piece between adjacent display screen be closely sized to.Described splicing regions Refer to the region beyond the adjacent display screen of any two effective display area close to each other in described mosaic screen.

Based on this, by above-mentioned steps s1-s2, you can enter described image signal according to the connecting method of described mosaic screen Row segmentation, and input to each display screen respectively；On this basis, the drive system of described mosaic screen can be to adjacent display screen Between piece position at intercepting image carry out color and render, to present brilliant effect at described piece position Really, thus improving the display quality of described mosaic screen.

Here, the corresponding one group of fine led of the grey scale average value of described every k × k pixel specifically may include that every k × k Red led in the corresponding one group of fine led of the grey scale average value of the red sub-pixel of pixel；The sub- picture of green of every k × k pixel Green led in the corresponding one group of fine led of the grey scale average value of element；The grey scale average value of the blue subpixels of every k × k pixel Blue led in corresponding one group of fine led.

Optionally, described s1 step specifically may include that the connecting method setting a × b；Control system is by (a × m) × (b × n) the picture input of resolution ratio is divided into the signal source of a × b m × n resolution ratio, and input to a × b respectively and corresponding show Display screen.

Wherein, described a, b, m, n are the integer more than or equal to 1, and described a and described b at least one be more than 1.

Further, the intercepting image at the piece position between to adjacent display screen carries out before color renders, such as Shown in Fig. 7, methods described can also include: carries out piece compensation to described mosaic screen.

Here, the described piece that carries out compensates the intercepting image that specifically may include that between the adjacent described display screen of selection；Adjust The whole described Pixel Dimensions intercepting image, so that the described resolution ratio intercepting image is m × n；Wherein, described m and described n is Integer.

In the case that described intercepting image is the intercepting image (m ＜ n) between the adjacent display screen in left and right,

$\frac{m\×d}{m_0}-1\≤m\≤\frac{m\×d}{m_0}+1,$

$\frac{n\×\[b\×n_0+(b-1)\×d\]}{(b-1)\×d}-1\≤n\≤\frac{n\×\[b\×n_0+(b-1)\×d\]}{(b-1)\×d}+1.$

In the case that described intercepting image is the intercepting image (m ＞ n) between neighbouring display screen,

$\frac{m\×\[a\×m_0+(a-1)\×d\]}{(a-1)\×d}-1\≤m\≤\frac{m\×\[a\×m_0+(a-1)\×d\]}{(a-1)\×d}+1,$

$\frac{n\×d}{n_0}-1\≤n\≤\frac{n\×d}{n_0}+1.$

Wherein, the resolution ratio of the effective display area of described display screen is m₀×n₀；Piece chi between adjacent described display screen Very little for d.

Need exist for illustrating, described mosaic screen is carried out with piece compensation can be only in the debugging stage of described mosaic screen Carry out；Wherein, described intercept image actual pixels size should be with the piece position of the imperceptible described mosaic screen of user at Image offset is defined.That is, if the image offset at user's imperceptible piece position, can carry out next step；If using The image offset at piece position can be felt in family, then continue the described Pixel Dimensions intercepting image of adjustment.In described mosaic screen Debug after completing (i.e. normal work stage), can achieve the driving of described backlight by step s1 and step s2, need not Again piece compensation is carried out to described mosaic screen.

Below the display screen with 55 inches of resolution ratio for 1920 × 1080 carry out 2 × 2 tiled display resolution ratio be 3840 × As a example 2160 picture, the driving method of the described mosaic screen that embodiments of the invention provide is illustrated:

S301, the connecting method of setting 2 × 2, the picture input of 3840 × 2160 resolution ratio is divided into 4 by control system The signal source of 1920 × 1080 resolution ratio, and input to 4 corresponding display screens respectively.

If now display image, as shown in figure 8, user just can feel the image offset between adjacent display screen.

Intercepting image between s302, the adjacent display screen of selection, the pixel of intercepting image described in control system adjust automatically Size (in theory close to piece size), so that the described resolution ratio intercepting image is m × n；Wherein, described m and described n is Integer.

Wherein, the described actual pixels size intercepting image should be wrong with the image between the imperceptible adjacent display screen of user Position is defined.

Here can also be by manually adjusting the described Pixel Dimensions intercepting image.

If now display image, as shown in figure 9, the image offset between the imperceptible adjacent display screen of user, but permissible Feel that the picture causing due to the presence of frame is discontinuous.

S303, backlight source driving circuit are driven in the way of the corresponding one group of fine led of the grey scale average value of every k × k pixel Move described fine led to be lighted.

Wherein, the arrangement mode of the multigroup fine led between adjacent described display screen is p × q, fine led described in every group All include red led, green led and blue led；Described p, q, m, n should meet:

$\frac{m}{p}\≈\frac{n}{q}\≈k.$

Specifically, the grey scale average value of the red sub-pixel of 1～k row, 1～k row adopts the in described fine led the 1st The red led of row the 1st row is shown；

The grey scale average value of the green sub-pixels of 1～k row 1～k row adopts the 1st row in the plurality of fine led The green led of the 2nd row is shown；

The grey scale average value of the blue subpixels of 1～k row 1～k row adopts the 1st row in the plurality of fine led The blue led of the 3rd row is shown；

……

The grey scale average value of the red sub-pixel of the n-th-k+1～n row 1～k row adopts in the plurality of fine led the The red led of n row the 1st row is shown；

The grey scale average value of the green sub-pixels of the n-th-k+1～n row 1～k row adopts in the plurality of fine led the The green led of n row the 2nd row is shown；

The grey scale average value of the blue subpixels of the n-th-k+1～n row 1～k row adopts in the plurality of fine led the The blue led of n row the 3rd row is shown.

By said process, you can realize the color of the intercepting image between adjacent display screen is rendered.

If now display image, as shown in Figure 10, user just can watch continuous picture between adjacent display screen, Described mosaic screen can present the complete image of a width, thus improving the display quality of described mosaic screen.

The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.

Claims (5)

1. a kind of driving method of mosaic screen is it is characterised in that methods described includes:

Connecting method according to mosaic screen carries out image segmentation to picture signal；

Carry out color to the intercepting image at the piece position between adjacent display screen to render；

Described color renders and specifically includes: backlight source driving circuit is fine with one group of the grey scale average value correspondence of every k × k pixel The mode of light emitting diode drives described fine light emitting diode to be lighted；

Wherein, the described resolution ratio intercepting image is m × n；Described m, n are integer；

Adjacent display screen is arranged in the way of p × q in the multigroup fine light emitting diode of splicing regions；Described k is more than or equal to 1 Integer；

Described m, n, p, q meet:

2. driving method according to claim 1 is it is characterised in that the grey scale average value of described every k × k pixel corresponds to One group of fine light emitting diode specifically includes:

Emitting red light two in the corresponding one group of fine light emitting diode of grey scale average value of the red sub-pixel of every k × k pixel Pole pipe；

Green emitting two in the corresponding one group of fine light emitting diode of grey scale average value of the green sub-pixels of every k × k pixel Pole pipe；

Blue-light-emitting two in the corresponding one group of fine light emitting diode of grey scale average value of the blue subpixels of every k × k pixel Pole pipe.

3. driving method according to claim 1 is it is characterised in that the described connecting method according to mosaic screen is believed to image Number carrying out image segmentation specifically includes:

Set the connecting method of a × b；

The picture input of (a × m) × (b × n) resolution ratio is divided into the signal source of a × b m × n resolution ratio by control system, and Input to a × b corresponding display screen respectively；

Wherein, described a, b, m, n are the integer more than or equal to 1, and described a and described b at least one be more than 1.

4. driving method according to claim 3 is it is characterised in that at piece position between to adjacent display screen Intercept image and carry out before color renders, methods described also includes:

Piece compensation is carried out to described mosaic screen.

5. driving method according to claim 4 is it is characterised in that described piece that described mosaic screen is carried out compensates specifically Including:

Choose the intercepting image between adjacent described display screen；

The described Pixel Dimensions intercepting image of adjustment, so that the described resolution ratio intercepting image is m × n；

In the case that described intercepting image is the intercepting image (m ＜ n) between the adjacent display screen in left and right,

In the case that described intercepting image is the intercepting image (m ＞ n) between neighbouring display screen,

Wherein, the resolution ratio of the effective display area of described display screen is m₀×n₀；Piece between adjacent described display screen is a size of d.