CN105303980A - Surface display panel and surface display device - Google Patents

Abstract

The invention provides a surface display panel and a surface display device. The height value of the surface display panel is changed along the width direction. Due to the adoption of the surface display panel and the surface display device, the problem that a user has a poor impression when a conventional surface display panel displays an object can be effectively improved, so that the display effect of the surface display panel is identical to the effect seen actually by human eyes, and thus the impression experience of the user is improved.

Description

Curved face display panel and curved-surface display device

Technical field

All things considered of the present invention relates to display technique field, more particularly, relates to a kind of curved face display panel and curved-surface display device.

Background technology

Usual human eye is when seeing a planar object, and because the centre position distance human eye of this object is comparatively near, and the marginal position of these object both sides distance human eye is comparatively far away, so the perception of user is experienced as this object is broad in the middle, narrowing toward each end.

At present, existing curved face display panel is generally made by being carried out by two-d display panel bending, when showing a planar object on curved face display panel, radian due to curved face display panel can to ensure on human eye and curved face display panel that distance is everywhere impartial, so the centre of planar object that human eye can be made to watch and the in the same size of both sides.But in fact, because human eye saw the perception impression that planar object is left over for a long time in the past, human eye, when by a curved face display panel planar object, is often felt little in the middle of this object, both sides is large.

Therefore, there is larger difference in the true viewing effect of the effect that curved face display panel shows and human eye, causes the perception of user to be experienced not good.

Summary of the invention

Exemplary embodiment of the present invention is to provide a kind of curved face display panel and curved-surface display device, experiences not good problem with the perception improving user in existing curved-surface display.

According to an exemplary embodiment of the present invention on the one hand, provide a kind of curved face display panel, it is characterized in that, the height value of described curved face display panel is change along Width.

Alternatively, the width value of described curved face display panel can be determined according to the size of described curved face display panel.

Alternatively, first height value of described curved face display panel can be greater than the second height value, wherein, the first height value can be the height value of the central spot of the width of described curved face display panel, and the second height value can be the height value of the left side of described curved face display panel or the edge on right side.

Alternatively, the height value at described curved face display panel diverse location place is in the direction of the width determined by the first height value and/or the second height value.

Alternatively, the first height value can be determined according to the size of described curved face display panel.

Alternatively, the first height value can be determined according to the predetermined bend radius of the width value of the second height value, described curved face display panel, described curved face display panel, and wherein, the second height value can be determined according to the size of described curved face display panel.

Alternatively, the first height value is determined by formula below:

$H_1=\frac{H_{2}R}{\sqrt{R^2-{\left(\frac{L}{2}\right)}^2}}$

Wherein, H ₁be the first height value, H ₂be the second height value, R is the predetermined bend radius of described curved face display panel, and L is the width value of described curved face display panel.

Alternatively, the second height value can be determined according to the size of described curved face display panel.

Alternatively, the second height value can be determined according to the predetermined bend radius of the width value of the first height value, described curved face display panel, described curved face display panel, and wherein, the first height value can be determined according to the size of described curved face display panel.

Alternatively, the second height value is determined by formula below:

$H_2=\frac{H_1\·\sqrt{R^2-{\left(\frac{L}{2}\right)}^2}}{R}$

Wherein, H ₂be the second height value, H ₁be the first height value, R is the predetermined bend radius of described curved face display panel, and L is the width value of described curved face display panel.

Alternatively, the height value of described curved face display panel can along Width linear change.

Alternatively, the height value of described curved face display panel multiple pre-positions in the direction of the width can be determined according to the predetermined bend radius of the width value of the first height value, described curved face display panel, described curved face display panel, or can be determined according to the predetermined bend radius of the width value of the second height value, described curved face display panel, described curved face display panel.

Alternatively, the height value of the position between described multiple precalculated position can be determined according to the predetermined curve about the position on width and height value, wherein, described predetermined curve is based on described multiple precalculated position and the curve carrying out matching acquisition at the height value of described multiple pre-position.

Alternatively, the height value of each position in described multiple precalculated position is determined by formula below:

$H_{{\mathrm{\α}}_i}=\frac{H_1\·\sqrt{R^2-{\left(\frac{L}{2}\right)}^2+{{\mathrm{\α}}_i}^2}}{R}$

Wherein, α _ifor i-th position in described multiple precalculated position is to the distance at the edge in one of the left side and right side of described curved face display panel, L is the width value of described curved face display panel, for the height value of i-th position in described multiple precalculated position, H ₁be the first height value, R is the predetermined bend radius of described curved face display panel.

Alternatively, the height value of each position in described multiple precalculated position is determined by formula below:

$H_{{\mathrm{\α}}_i}=\frac{H_{2}R}{\sqrt{R^2-{\left(\frac{L}{2}\right)}^2+{{\mathrm{\α}}_i}^2}}$

Wherein, α _ifor i-th position in described multiple precalculated position is to the distance of the central spot of the width of described curved face display panel, L is the width value of described curved face display panel, for the height value of i-th position in described multiple precalculated position, H ₂be the second height value, R is the predetermined bend radius of described curved face display panel.

Alternatively, described curved face display panel can comprise the multiple pixels in arranged in arrays, and the quantity of the every row pixel of described curved face display panel can be identical.

Alternatively, the size of described multiple pixel can change with the change of height value to the edge of both sides from the vertical central axis of described curved face display panel.

Alternatively, the size of described multiple pixel can reduce with the change of height value to the edge of both sides gradually from the vertical central axis of described curved face display panel.

According to an exemplary embodiment of the present invention on the other hand, there is provided a kind of curved-surface display device, it is characterized in that, described curved-surface display device comprises: curved face display panel and curved surface backlight module, wherein, the height value of described curved face display panel is change along Width.

Adopt above-mentioned curved face display panel and curved-surface display device, effectively can improve the problem that when utilizing traditional curved face display panel display object, user's perception is not good, make the display effect of curved face display panel consistent with the true viewing effect of human eye, experience with the perception improving user.

Accompanying drawing explanation

Figure 1A and Figure 1B illustrates the first example of the size determining curved face display panel according to an exemplary embodiment of the present invention respectively;

Fig. 2 illustrates the second example of the size determining curved face display panel according to an exemplary embodiment of the present invention.

Embodiment

Now will describe exemplary embodiment of the present invention in detail, the example of described embodiment is shown in the drawings, and wherein, identical label refers to identical parts all the time.

In an exemplary embodiment of the present invention, determine direction parallel to the ground (namely, horizontal direction) be the Width of curved face display panel, direction perpendicular to the ground (namely, vertical direction) be the short transverse of the viewing area of curved face display panel, existing curved face display panel is identical along the height value of Width, there is larger difference in the true viewing effect of this effect that curved face display panel can be made to show and human eye, namely, the perception of human eye during existing curved face display panel display plane object is utilized to be that the centre of this planar object is little, both sides are large.

For improving the display problem of above-mentioned existing curved face display panel, a kind of curved face display panel is proposed according to an exemplary embodiment of the present, the height value of described curved face display panel is change along Width, and the height value of the vertical central axis of this curved face display panel is greater than the height value of the edge of both sides, describes in detail below and determine the width value of this curved face display panel and the process of height value.

Particularly, the width value of described curved face display panel is determined according to the size of described curved face display panel.

Alternatively, first can determine the size of curved face display panel, and then according to the size of described curved face display panel, determine the width value of described curved face display panel.Here, existing various method can be utilized according to the size of described curved face display panel to determine the width value of described curved face display panel.Such as, can suppose that curved face display panel is of a size of 55 cun, existing various method then can be utilized to determine the width value of the curved face display panel of 55 cun, and the present invention does not limit this.

First height value of described curved face display panel is greater than the second height value.Here, the first height value can be the height value of the central spot of the width of described curved face display panel, and the second height value can be the height value of the left side of described curved face display panel or the edge on right side.Preferably, the height value of the edge in the left side of described curved face display panel is identical with the height value of the edge on right side.

Alternatively, the first height value can be determined according to the size of described curved face display panel or the second height value.

Particularly, in a kind of situation, the first height value can be determined according to the size of described curved face display panel.

In the case, existing various method can be utilized according to the size of described curved face display panel to determine the height value of described curved face display panel, and using the height value determined as the first height value.Such as, can suppose that curved face display panel is of a size of 55 cun, existing various method then can be utilized to determine the height value of the curved face display panel of 55 cun, and the present invention does not limit this.

In another kind of situation, the first height value can be determined according to the predetermined bend radius of the width value of the second height value, described curved face display panel, described curved face display panel.Now, the second height value can be determined according to the size of described curved face display panel.

In the case, first according to the size of described curved face display panel, the second height value can be determined, and then determine the first height value according to the width value of the second height value, described curved face display panel, the predetermined bend radius of described curved face display panel.Here, exemplarily, existing various method can be utilized according to the size of described curved face display panel to determine the height value of described curved face display panel, and using the height value determined as the second height value.

Such as, the first height value is determined by formula below:

$H_1=\frac{H_{2}R}{\sqrt{R^2-{\left(\frac{L}{2}\right)}^2}}---\left(1\right)$

In formula (1), H ₁be the first height value, H ₂be the second height value, R is the predetermined bend radius of described curved face display panel, and L is the width value of described curved face display panel.

Alternatively, the second height value can be determined according to the size of described curved face display panel or the first height value.

In a kind of situation, the second height value can be determined according to the size of described curved face display panel.

In the case, existing various method can be utilized according to the size of described curved face display panel to determine the height value of described curved face display panel, and using the height value determined as the second height value.Such as, can suppose that curved face display panel is of a size of 55 cun, existing various method then can be utilized to determine the height value of the curved face display panel of 55 cun, and the present invention does not limit this.

In another kind of situation, the second height value can be determined according to the predetermined bend radius of the width value of the first height value, described curved face display panel, described curved face display panel.Now, the first height value can be determined according to the size of described curved face display panel.

In the case, first according to the size of described curved face display panel, the first height value can be determined, and then determine the second height value according to the width value of the first height value, described curved face display panel, the predetermined bend radius of described curved face display panel.Here, existing various method can be utilized according to the size of described curved face display panel to determine the height value of described curved face display panel, and using the height value determined as the first height value.

Such as, the second height value is determined by formula below:

$H_2=\frac{H_1\·\sqrt{R^2-{\left(\frac{L}{2}\right)}^2}}{R}---\left(2\right)$

In formula (2), H ₂be the second height value, H ₁be the first height value, R is the predetermined bend radius of described curved face display panel, and L is the width value of described curved face display panel.

Figure 1A and Figure 1B illustrates the first example of the size determining curved face display panel according to an exemplary embodiment of the present invention respectively.

Figure 1A illustrates the schematic top plan view of curved face display panel, as shown in Figure 1A, A point is the edge in the left side of curved face display panel, and B point is the edge on the right side of curved face display panel, and M point is the central spot of the width of curved face display panel, R is the predetermined bend radius of curved face display panel, L is the width value of described curved face display panel, and O point is the center of circle that the predetermined bend radius of curved face display panel is corresponding, and Figure 1B illustrates the tiling schematic diagram of curved face display panel, as shown in Figure 1B, H ₁for the first height value of the central spot M point of the width of curved face display panel, H ₂for the height value of the edge B point on the edge A point in the left side of curved face display panel or the right side of curved face display panel.Should be understood that the width value of described curved face display panel as shown in Figure 1A, can refer to the air line distance between A point and B point, also can refer to the width value after being paved by curved face display panel (that is, the arc length between A point and B point).Here, the crooked radian of general surface display panel is all less (namely, the predetermined bend radius of curved face display panel is larger), therefore, the difference of the value of the value of the air line distance between A point and B point and the arc length between A point and B point is little, and those skilled in the art can select one of value of the arc length between the value of the air line distance between A point and B point and A point and B point as the width value of described curved face display panel as required.

In this example, suppose the height value determining curved face display panel according to the size of curved face display panel, for the second situation determining the first height value, the height value this can determined is as the first height value H of the central spot M point of the width of curved face display panel ₁, then utilize formula (2) to determine the second height value H of the edge B point on the edge A point in the left side of curved face display panel or the right side of curved face display panel ₂, or for determining the second situation of the second height value, the height value this can determined is as the second height value H of the edge B point on the right side of the edge A point in the left side of curved face display panel or curved face display panel ₂, then utilize formula (1) to determine the first height value H of the central spot M point of the width of curved face display panel ₁.

Alternatively, the height value at described curved face display panel diverse location place is in the direction of the width determined by the first height value and/or the second height value.

The first situation, the height value at described curved face display panel diverse location place is in the direction of the width determined by the first height value.

Particularly, the height value of described curved face display panel multiple pre-positions in the direction of the width can be determined according to the predetermined bend radius of the width value of the first height value, described curved face display panel, described curved face display panel.

Here, described multiple precalculated position, by the Width along curved face display panel, is equally spaced chosen with predetermined interval or random selecting and being determined between the edge and the central point of width in left side or between the edge and central point on right side.Should understand, edge on the left of curved face display panel and the region between the central point of width, and the edge on the right side of curved face display panel and the region between the central point of width are axisymmetric about vertical center, therefore, after selected part precalculated position, arbitrary region in above-mentioned two regions, by symmetry principle, the described part precalculated position in another region except described arbitrary region in above-mentioned two regions is also determined, thus can obtain described multiple precalculated position.But the present invention is not limited thereto, described multiple precalculated position also equally spaced to be chosen with predetermined interval by the Width along curved face display panel or random selecting and being determined.

Such as, the height value of each position in described multiple precalculated position is determined by formula below:

$H_{{\mathrm{\α}}_i}=\frac{H_1\·\sqrt{R^2-{\left(\frac{L}{2}\right)}^2+{{\mathrm{\α}}_i}^2}}{R}---\left(3\right)$

In formula (3), α _ifor i-th position in described multiple precalculated position is to the distance at the edge in one of the left side and right side of described curved face display panel, L is the width value of described curved face display panel, for the height value of i-th position in described multiple precalculated position, H ₁be the first height value, R is the predetermined bend radius of described curved face display panel.

After the height value determining each position in described multiple precalculated position, the height value of the position between described multiple precalculated position can be determined further according to the height value of each position.

In one example, the height value of the position between described multiple precalculated position linearly changes along Width.

In another example, the height value of the position between described multiple precalculated position can be determined according to the predetermined curve about the position on width and height value.Here, described predetermined curve is based on described multiple precalculated position and the curve carrying out matching acquisition at the height value of described multiple pre-position.

Such as, the height value of the position between described multiple precalculated position can be determined by existing method of interpolation or curve-fitting method according to the position on width and height value.Here, determined by existing method of interpolation or curve-fitting method that according to the position on width and height value the method for the height value of this position is the common practise of this area, the content of the present invention to this part repeats no more.

But, the present invention is not limited thereto, except the above-mentioned height value first determining described multiple pre-position, and outside the height value determining the position between described multiple precalculated position according to the height value of each position in described multiple pre-position, also can not chosen position, directly according to the first height value, the width value of curved face display panel, the predetermined bend radius of curved face display panel determines the height value at curved face display panel each pixel position place in the direction of the width (such as, above-mentioned formula (3) can be utilized to calculate the height value at each pixel position place).

Fig. 2 illustrates the second example of the size determining curved face display panel according to an exemplary embodiment of the present invention.

As shown in Figure 2, A point is the edge in the left side of curved face display panel, B point is the edge on the right side of curved face display panel, M point is the central spot of the width of curved face display panel, R is the predetermined bend radius of curved face display panel, L is the width value of described curved face display panel, and O point is the center of circle that the predetermined bend radius of curved face display panel is corresponding, α _ifor i-th position in described multiple precalculated position is to the distance of the edge A point in the left side of described curved face display panel.

In this example, suppose the height value determining curved face display panel according to the size of curved face display panel, for the height value at described curved face display panel diverse location place in the direction of the width by the first height value by situation about determining, the height value this can determined is as the first height value H of the central spot M point of the width of curved face display panel ₁, then utilize formula (3) to determine the distance alpha with the edge A point in the left side of described curved face display panel _ithe height value corresponding to i-th position

The second situation, the height value at described curved face display panel diverse location place is in the direction of the width determined by the second height value.

Particularly, the height value of described curved face display panel multiple pre-positions in the direction of the width can be determined according to the predetermined bend radius of the width value of the second height value, described curved face display panel, described curved face display panel.

Here, described multiple precalculated position, by the Width along curved face display panel, is equally spaced chosen with predetermined interval or random selecting and being determined between the edge and the central point of width in left side or between the edge and central point on right side.In addition, described multiple precalculated position also equally spaced to be chosen with predetermined interval by the Width along curved face display panel or random selecting and being determined.

Such as, the height value of each position in described multiple precalculated position is determined by formula below:

$H_{{\mathrm{\α}}_i}=\frac{H_{2}R}{\sqrt{R^2-{\left(\frac{L}{2}\right)}^2+{{\mathrm{\α}}_i}^2}}---\left(4\right)$

In formula (4), α _ifor i-th position in described multiple precalculated position is to the distance of the central spot of the width of described curved face display panel, L is the width value of described curved face display panel, for the height value of i-th position in described multiple precalculated position, H ₂be the second height value, R is the predetermined bend radius of described curved face display panel.

After the height value determining each position in described multiple precalculated position, the height value of each position of can following up further is to determine the height value of the position between described multiple precalculated position.

Be described in detail in the first situation of height value determining curved face display panel diverse location place in the direction of the width due to above-mentioned, the content of the present invention to this part repeats no more.

The third situation, the height value at described curved face display panel diverse location place is in the direction of the width determined by the first height and the second height value.In the case, the height value of described curved face display panel can along Width linear change.

Described curved face display panel comprises the multiple pixels in arranged in arrays, and the quantity of the every row pixel of described curved face display panel is identical.That is, the curved face display panel of exemplary embodiment of the present when the quantity of every row pixel is identical, by adjusting the size of the size of each pixel to change described curved face display panel height value in the width direction.Here, preferably, the size of each pixel often in row is identical, and the size of the arbitrary pixel then in arbitrary row can be determined according to the quantity of the pixel in the height value at described arbitrary pixel position place and described arbitrary row.Such as, the size of arbitrary pixel can be obtained according to the ratio of the quantity of the pixel in the height value at described arbitrary pixel position place and described arbitrary row.

Exemplarily, the size of described multiple pixel can change with the change of height value to the edge of both sides from the vertical central axis of described curved face display panel.Such as, the size of described multiple pixel can reduce with the change of height value to the edge of both sides gradually from the vertical central axis of described curved face display panel.

Also provide a kind of curved-surface display device according to an exemplary embodiment of the present, this curved-surface display device comprises: curved face display panel and curved surface backlight module.Here, described curved face display panel and the contraposition of described curved surface backlight module are combined into one.

Here, owing to being described in detail the structure of described curved face display panel, dimensional parameters and function in foregoing, the content of the present invention to this part has repeated no more.Curved surface backlight module can be and existingly variously can be the assembly that curved face display panel provides backlight.

Curved face display panel and curved-surface display device according to an exemplary embodiment of the present invention, by adjustment curved face display panel height value in the width direction, the height value of this curved face display panel is gradually changed along Width, experiences with the perception improved when user watches curved face display panel.

Describe the present invention in conjunction with concrete exemplary embodiment above, but enforcement of the present invention is not limited thereto.Within the spirit and scope of the present invention, those skilled in the art can carry out various modifications and variations, these amendment and modification by fall into claim restriction protection domain within.

Claims (10)

1. a curved face display panel, is characterized in that, the height value of described curved face display panel is change along Width.

2. curved face display panel according to claim 1, is characterized in that, the width value of described curved face display panel is determined according to the size of described curved face display panel.

3. curved face display panel according to claim 1, it is characterized in that, first height value of described curved face display panel is greater than the second height value, wherein, first height value is the height value of the central spot of the width of described curved face display panel, second height value is the height value of the left side of described curved face display panel or the edge on right side

Wherein, the height value at described curved face display panel diverse location place is in the direction of the width determined by the first height value and/or the second height value.

4. curved face display panel according to claim 3, is characterized in that, the first height value is determined according to the size of described curved face display panel.

5. curved face display panel according to claim 3, is characterized in that, the first height value is determined according to the width value of the second height value, described curved face display panel, the predetermined bend radius of described curved face display panel,

Wherein, the second height value is determined according to the size of described curved face display panel.

6. curved face display panel according to claim 3, is characterized in that, the second height value is determined according to the size of described curved face display panel.

7. curved face display panel according to claim 3, is characterized in that, the second height value is determined according to the width value of the first height value, described curved face display panel, the predetermined bend radius of described curved face display panel,

Wherein, the first height value is determined according to the size of described curved face display panel.

8. the curved face display panel according to claim 5 or 7, is characterized in that, the height value of described curved face display panel is along Width linear change.

9. curved face display panel according to claim 3, it is characterized in that, the height value of described curved face display panel multiple pre-positions is in the direction of the width determined according to the width value of the first height value, described curved face display panel, the predetermined bend radius of described curved face display panel, or is determined according to the width value of the second height value, described curved face display panel, the predetermined bend radius of described curved face display panel.

10. curved face display panel according to claim 9, is characterized in that, the height value of the position between described multiple precalculated position is determined according to the predetermined curve about the position on width and height value,

Wherein, described predetermined curve is based on described multiple precalculated position and the curve carrying out matching acquisition at the height value of described multiple pre-position.