CN105304065B - The manufacture method and manufacture system of curved face display panel - Google Patents
The manufacture method and manufacture system of curved face display panel Download PDFInfo
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- CN105304065B CN105304065B CN201510812194.XA CN201510812194A CN105304065B CN 105304065 B CN105304065 B CN 105304065B CN 201510812194 A CN201510812194 A CN 201510812194A CN 105304065 B CN105304065 B CN 105304065B
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Abstract
The invention discloses a kind of manufacture method of curved face display panel and manufacture system, the manufacture method includes obtaining the second gamma value that curved face display panel is formed after the first planar display surface plate benging, wherein the first gamma value of first two-d display panel meets the display requirement for display；Second gamma value is subtracted with first gamma value and then obtains gamma compensated value；With first gamma value is plus the gamma compensated value and then obtains gamma initial value；Made based on the gamma initial value and obtain the second two-d display panel；Second two-d display panel is bent, and then obtains the curved face display panel with gamma final value, wherein the absolute value of the gamma final value and the difference of first gamma value is less than the absolute value of the difference of second gamma value and first gamma value.By the above-mentioned means, the present invention enables to the gamma value of curved face display panel more to meet the display requirement for display, be conducive to improving display effect.
Description
Technical field
The present invention relates to display technology field, the manufacture method of more particularly to a kind of curved face display panel and manufacture system
System.
Background technology
Compared with two-d display panel, the radian of curved face display panel can ensure that the distance of human eye is impartial, so that curved surface
Display panel can bring preferably sensory experience.Further, since curved face display panel is bent to user slightly, its edge can
Closer to user, essentially identical angle of viewing and admiring is realized with screen centre position, therefore the visual field of curved face display panel is wider, energy
So that user has more preferable viewing effect.
Gamma value (Gamma) is an important parameter of display, for characterize display output brightness of image with it is defeated
The signal voltage non-linear relation entered.When producing display, need to generally adjusting the gamma curve of display, (gamma value is corresponding
Curve), it is allowed to meet the curve standard of gamma value 2.2, meets the brightness of image of the display output of this standard in human eye sense
It is approximate in knowing to be presented linear, and then obtain preferable display effect.
Its gamma value generally meets display and required after two-d display panel completes, i.e. generally standard gamma value 2.2.
Existing curved face display panel is usually after two-d display panel completes, to break two-d display panel by mechanical stress
It is curved and obtain.Due to the stress of panel, break it is curved after curved face display panel compared with two-d display panel in some optics
Difference may be produced in characteristic, for example break it is curved after the obtained gamma value of curved face display panel can occur largely to become
Change, the reason for producing change is primarily due to two-d display panel in the bent state, as shown in figure 1, upper substrate 11 is with center
For basic point, produced respectively toward the stress slided from left to right in the right and left relative to infrabasal plate 12, different stress cause plane
The relative displacement that the different zones of display panel are produced is different, so that cause the cell-gap of different zones to change,
Cell-gap d, d2 of curved face display panel after bending (are used as plane different from original cell-gap as illustrated in the drawing
Gap during display panel), and the change of cell-gap will cause gamma value to occur largely to change so that formed
The gamma value of curved face display panel be unsatisfactory for display and require, i.e., with relatively large deviation between standard gamma value, thus
The display effect of curved face display panel will be reduced.
The content of the invention
The present invention solves the technical problem of provide a kind of manufacture method and manufacture system of curved face display panel, energy
Enough so that the gamma value of curved face display panel more meets the display requirement for display, be conducive to improving display effect.
In order to solve the above technical problems, one aspect of the present invention is：A kind of curved face display panel is provided
Manufacture method, including：The second gamma value that curved face display panel is formed after the first planar display surface plate benging is obtained, wherein described
First gamma value of the first two-d display panel meets the display requirement for display；Described is subtracted with first gamma value
Two gamma values and then obtain gamma compensated value；With first gamma value plus the gamma compensated value and then at the beginning of obtaining gamma
Value；Made based on the gamma initial value and obtain the second two-d display panel；Second two-d display panel is bent, and then is obtained
Curved face display panel with gamma final value, wherein the absolute value of the gamma final value and the difference of first gamma value is less than institute
State the absolute value of the difference of the second gamma value and first gamma value.
Wherein, first gamma value is the gamma value of the central point of first two-d display panel, second gal
Horse value is the gamma value of the central point of curved face display panel formed after the first planar display surface plate benging；It is described to be based on institute
Stating the step of making of gamma initial value obtains the second two-d display panel includes：The gamma value for forming central point is the gamma initial value
The second two-d display panel.
Wherein, the step of forming the second gamma value of curved face display panel after the first planar display surface plate benging of the acquisition
Including：Obtain multiple surveys including central point of the curved face display panel formed after the first planar display surface plate benging
The gamma value of pilot；It is described that second gamma value is subtracted with first gamma value and then is wrapped the step of obtaining gamma compensated value
Include：The gamma value of each test point is subtracted with first gamma value respectively, and then obtains multiple differences；According to following meter
Calculate formula and obtain the gamma compensated value：
S=k1*ΔA1+k2*ΔA2+k3*ΔA3+......+kN*ΔAN
Wherein, S is the gamma compensated value, Δ A1~Δ ANFor the multiple difference, N is more than or equal to 2, k1~kNFor power
Weight coefficient, and k1+k2+k3+……+kN=1, if Δ A1The difference of second gamma value is subtracted for first gamma value, its
Middle k1More than other weight coefficients.
Wherein, it is described obtain the curved face display panel that is formed after the first planar display surface plate benging include central point
The step of gamma value of multiple test points inside, includes：The curved surface formed after the first planar display surface plate benging is obtained to show
Show the gamma value of the multiple test point by symmetrical centre of central point of panel.
Wherein, it is described obtain the curved face display panel that is formed after the first planar display surface plate benging using central point as
The step of gamma value of the multiple test point of symmetrical centre, includes：Obtain the song formed after the first planar display surface plate benging
The gamma value of nine test points using central point as symmetrical centre of face display panel, wherein nine test points, three rows of formation
The array matrix of three row arrangements, one of them is located at the test point in relative 45 degree of directions of central point in first planar display surface
The coordinate position of the curved face display panel formed after plate benging is (L/9, H/9), wherein, H is the first planar display surface plate benging
The width of the curved face display panel formed afterwards, L is the length of the curved face display panel formed after the first planar display surface plate benging.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of curved face display panel is provided
Manufacture system, including measuring apparatus, control device and bending apparatus；The measuring apparatus includes：Acquiring unit, for obtaining
The second gamma value that curved face display panel is formed after the first planar display surface plate benging is taken, wherein first two-d display panel
The first gamma value meet display requirement for display；First computing unit, it is described for being subtracted with first gamma value
Second gamma value and then obtain gamma compensated value；Second clearing unit, for being mended with first gamma value plus the gamma
Repay value and then obtain gamma initial value；Wherein described control device is shown for obtaining the second plane based on gamma initial value making
Panel；Bending apparatus is used to bend second two-d display panel, and then obtains the curved face display panel with gamma final value,
The absolute value of wherein described gamma final value and the difference of first gamma value is less than second gamma value and first gamma
The absolute value of the difference of value.
Wherein, first gamma value is the gamma value of the central point of first two-d display panel, second gal
Horse value is the gamma value of the central point of curved face display panel formed after the first planar display surface plate benging；The control is set
It is ready for use on the second two-d display panel to form the gamma value of central point for the gamma initial value.
Wherein, the acquiring unit is used to obtain the curved face display panel formed after the first planar display surface plate benging
Multiple test points including central point gamma value；First computing unit is used for respectively with first gamma
Value subtracts the gamma value of each test point, and then obtains multiple differences, and obtains the gamma benefit according to formula is calculated as below
Repay value：
S=k1*ΔA1+k2*ΔA2+k3*ΔA3+......+kN*ΔAN
Wherein, S is the gamma compensated value, Δ A1~Δ ANFor the multiple difference, N is more than or equal to 2, k1~kNFor power
Weight coefficient, and k1+k2+k3+……+kN=1, if Δ A1The difference of second gamma value is subtracted for first gamma value, its
Middle k1More than other weight coefficients.
Wherein, the acquiring unit is used to obtain the curved face display panel formed after the first planar display surface plate benging
The multiple test point by symmetrical centre of central point gamma value.
Wherein, the acquiring unit be used for obtain the first planar display surface plate benging after formed curved face display panel with
Central point is the gamma value of nine test points of symmetrical centre, wherein the array of nine test points formation three rows three row arrangement
Matrix, what one of them test point for being located at relative 45 degree of directions of central point was formed after the first planar display surface plate benging
The coordinate position of curved face display panel is (L/9, H/9), wherein, H shows for the curved surface formed after the first planar display surface plate benging
Show the width of panel, L is the length of the curved face display panel formed after the first planar display surface plate benging.
The beneficial effects of the invention are as follows：It is different from the situation of prior art, the manufacture method of curved face display panel of the present invention
In, the second gamma value of curved face display panel is formed after the first planar display surface plate benging by obtaining, wherein the first plane is aobvious
Show that the first gamma value of panel meets the actual requirement for display, the second gamma value is then subtracted with the first gamma value and then is obtained
To gamma compensated value, the gamma compensated value is the gamma value phase for the curved face display panel that the first two-d display panel is bent to form
Compared with the variable quantity of the first gamma value, by using the first gamma value plus gamma compensated value so as to obtain gamma initial value, Ran Houji
Made in the gamma initial value and obtain the second two-d display panel, and bend the second two-d display panel, obtained with gamma final value
Curved face display panel, wherein the absolute value of gamma final value and the difference of the first gamma value be less than the second gamma value and the first gamma value
Difference absolute value, i.e., made based on the gamma initial value after gamma compensated the obtained gamma value of curved face display panel with based on not
The gamma value for having the first gamma value for carrying out gamma compensated to make obtained curved face display panel is compared, and its gamma value is aobvious with meeting
Show that the gap of the first gamma value of requirement is smaller, closer to the first gamma value, so that manufactured obtained curved surface is aobvious
Show that the gamma value of panel more meets the requirement for display, be conducive to improving display effect.
Brief description of the drawings
Fig. 1 is the signal of the cell-gap of the curved face display panel formed after a kind of planar display surface plate benging of prior art
Figure；
Fig. 2 is the flow chart of the embodiment of manufacture method one of curved face display panel of the present invention；
Fig. 3 is the flow chart of another embodiment of manufacture method of curved face display panel of the present invention；
During Fig. 4 is the embodiment of manufacture method one of curved face display panel of the present invention, curved by the first two-d display panel
The schematic diagram of selected multiple test points on the curved face display panel formed after song；
Fig. 5 is the structural representation of the embodiment of manufacture system one of curved face display panel of the present invention.
Embodiment
Below in conjunction with drawings and embodiments, the present invention is described in detail.
Refering to Fig. 2, in the embodiment of manufacture method one of curved face display panel of the present invention, curved face display panel is liquid crystal
Show panel, methods described comprises the following steps：
Step S201：The second gamma value that curved face display panel is formed after the first planar display surface plate benging is obtained, wherein
First gamma value of the first two-d display panel meets the display requirement for display.
First gamma value of the first two-d display panel meets the display requirement for display.Required for different display systems
The desired gamma curve of satisfaction display it is different, the display of such as window systems generally requires the gamma that gamma value is 2.2
Curve, and the MAC OS operating systems of Apple Inc. need the gamma curve that gamma value is 1.8.In present embodiment, with 2.2
Exemplified by standard gamma value, the first gamma value of the first two-d display panel is 2.2, is used for so that first gamma value is met
The display requirement of display.
Wherein, the first two-d display panel can be experiment display panel, i.e., formally manufacture curved face display panel it
The preceding two-d display panel for being used to test, and the first gamma value of the first two-d display panel is the not satisfaction through overcompensation
Show required standard gamma value.First two-d display panel is bent to form curved face display panel, and measure the song
Second gamma value of face display panel, can specifically obtain the monochrome information of the curved face display panel by measuring apparatus, so that
Calculate the second gamma value of curved face display panel.
Step S202：The second gamma value is subtracted with the first gamma value and then obtains gamma compensated value.
Because the stress difference that different zones are subject to causes the curved-surface display that is formed after bending after planar display surface plate benging
The gamma value of panel produces change compared to the gamma value of the two-d display panel before bending.Is subtracted by using the first gamma value
Two gammas are worth to both differences, so as to the gamma value of curved face display panel that is formed after being bent relative to bending before
Gamma value situation of change, resulting difference is gamma compensated value.
Step S203：With the first gamma value is plus gamma compensated value and then obtains gamma initial value.Utilize gamma compensated value
Gamma compensated is carried out to the first gamma value.
Step S204：Made based on gamma initial value and obtain the second two-d display panel.
Wherein, the second two-d display panel is identical with the size of the first two-d display panel, i.e. the second two-d display panel
With the two-d display panel that the first two-d display panel is same model.Made based on gamma initial value and obtain the second planar display surface
Plate, specially makes the second two-d display panel with gamma initial value.
Step S205：The second two-d display panel is bent, and then obtains the curved face display panel with gamma final value, wherein
The absolute value of gamma final value and the difference of the first gamma value is less than the absolute value of the difference of the second gamma value and the first gamma value.
Wherein, the second two-d display panel is bent with equal conditions.The equal conditions refer to that the second plane of bending is shown
The condition of panel formation curved face display panel is identical with the condition of bending the first two-d display panel formation curved face display panel, bag
Include bending environment phase, it is mutually equal to the degree of crook of two-d display panel.Degree of crook can be weighed using radius of curvature, i.e., by
The radius of curvature of the curved face display panel formed after second planar display surface plate benging and after the first planar display surface plate benging
The radius of curvature of the curved face display panel of formation is roughly the same.Certainly, in actual production, limited by technological level, may
It is unable to reach degree of crook the same, now degree of crook can be allowed to there is certain difference.
Wherein, the curved face display panel formed after the second planar display surface plate benging has gamma final value, the gamma final value
And the absolute value of the difference of the first gamma value is less than the absolute value of the difference of the second gamma value and the first gamma value, i.e., based on gamma compensated
Gamma initial value afterwards makes the gamma value and the first gamma value based on no progress gamma compensated of obtained curved face display panel
The gamma value for making obtained curved face display panel is compared, and its gamma value is with meeting the gap for the first gamma value that display is required more
It is small, closer to the first gamma value, so that the gamma value of manufactured obtained curved face display panel more meets for showing
The display requirement shown, is conducive to improving display effect.
More specifically, in present embodiment, make by certain model (or certain size) two-d display panel (i.e.
Second two-d display panel) bending when obtaining curved face display panel, first with the method for experiment, shown using the plane of same model
Show that panel (i.e. the first two-d display panel) bend obtaining curved face display panel, then calculate the display panel before and after bending
Gamma value variable quantity, to obtain gamma compensated value according to the variable quantity.So as to, when formally making curved face display panel,
The presence of the variable quantity is considered during the second two-d display panel of initial designs in advance, the second plane is shown using gamma compensated value
Panel carries out gamma compensated, makes its gamma value be not and first the first gamma value of two-d display panel identical, but first
The summation of gamma value and gamma compensated value, i.e. gamma initial value.Thus after to the second planar display surface plate benging, gamma compensated value
The variable quantity of the gamma value after the second two-d display panel of bending can be offset, so that by the second planar display surface plate benging
The gamma final value of the curved face display panel formed afterwards is roughly equal with meeting the first gamma value that display is required, and then causes institute
The gamma final value of the curved face display panel of manufacture disclosure satisfy that the display requirement for display, is conducive to improving display effect, reaches
The purpose of gamma correction is arrived.
For example, it is assumed that the first gamma value of the first two-d display panel is standard gamma value 2.2.It is flat first with first
Face display panel is trial target, and the first two-d display panel is bent, and measures shape after the first planar display surface plate benging
Into curved face display panel the second gamma value, measurement result is 2.4, is thus illustrated without the first plane Jing Guo gamma compensated
Its gamma value is increased display panel upon bending, therefore need to make the plane used in manufacture in subsequently manufacture curved face display panel
The gamma value of display panel is less than 2.2, using the gamma value of curved face display panel that to be formed after bending as 2.2, so as to meet
Display is required.Specifically, the second gamma value 2.4 is subtracted with the first gamma value 2.2, obtains gamma compensated value for -0.2, Ran Houyong
First gamma value 2.2 adds -0.2, so that it is 2.0 to obtain gamma initial value.In next step, made based on 2.0 gamma initial value
The second two-d display panel is obtained, is specially made with the second two-d display panel that gamma value is 2.0, then with equal bar
Part to the second two-d display panel bend obtaining the curved face display panel with gamma final value.And walked according to experiment above
Rapid to understand, gamma value increases 0.2 after the two-d display panel of same model is under equal conditions bent, therefore, the second plane
Gamma initial value 2.0 of the gamma final value compared to the second two-d display panel of the curved face display panel formed after display panel bending
0.2 is increased, i.e., its gamma final value is 2.2, meets the requirement of standard gamma value.Therefore, by the second planar display surface
The gamma value of plate is compensated, so that the gamma value for the curved face display panel that bending is obtained is shown closer to satisfaction
It is required that the first gamma value, even equal to the first gamma value, reach the purpose of gamma correction.
Certainly, in a practical situation, limited by technological level, the degree of crook of each two-d display panel may be slightly
Difference, or the size of two-d display panel are difficult to reach striking resemblances, cause each two-d display panel gamma after bending
The variable quantity of value slightly difference, for example, continue with for above-mentioned example, in pre-stage test after the first planar display surface plate benging
Gamma value increase 0.2, i.e. intensity of variation and 0.2 can be weighed with this.And in actual manufacturing process, can be according to
The degree of crook of curved face display panel as manufactured by the second two-d display panel out, to assess the second two-d display panel
Difference between the degree of crook of degree of crook and the first two-d display panel, such as when assessment result is the second planar display surface
Degree of crook of the degree of crook of plate generally than the first two-d display panel is somewhat larger, and the difference may cause second
The intensity of variation of two-d display panel gamma value after bending is more than 0.2.Now, can be 2.0 in size in subsequent production
Gamma initial value on the basis of subtract 0.1, to make the second two-d display panel with gamma value as 1.9, so as to so that
The gamma final value of the curved face display panel subsequently formed is obtained closer to the curved face display panel of the first gamma value.In other words and
Speech, in other embodiment of the present invention, is not limited to make the second two-d display panel with gamma initial value, Ke Yigen
The second two-d display panel that gamma value is less than or greater than gamma initial value is made according to actual conditions, to cause resulting curved surface to show
Show that panel has closer to the first gamma value for meeting display requirement.
, can before the curved face display panel made using the two-d display panel of different model by present embodiment
Bent with the two-d display panel first with different model to obtain a series of gamma compensated value, i.e., first obtain every kind of type
Number two-d display panel gamma compensated value, and then be worth to according to gamma compensated the gal of the two-d display panel of every kind of model
Horse initial value.So as to, only need to be according to the corresponding gamma of two-d display panel of every kind of model in subsequently manufacture curved face display panel
Initial value makes the two-d display panel of respective model, so as to may be such that aobvious using the curved surface formed after the planar display surface plate benging
Show that the gamma final value of panel meets the display requirement for display.
Refering to Fig. 3, in another embodiment of manufacture method of curved face display panel of the present invention, the first two-d display panel
The first gamma value for the first two-d display panel central point gamma value, the second gamma value be the first two-d display panel it is curved
The gamma value of the central point of the curved face display panel formed after song.Wherein, the second plane is obtained based on the making of gamma initial value to show
The step of panel, includes：The gamma value for forming central point is the second two-d display panel of gamma initial value.I.e. in present embodiment,
Using the gamma value of display panel central point as display panel gamma value.Certainly, in other embodiments, it will can also show
Show the gamma value of other positions of panel as the gamma value of display panel, i.e. the first gamma value of the first two-d display panel
Can be the gamma value for being located at some point of the first two-d display panel side, the second gamma value is the curved face display panel that is formed
The gamma value of corresponding points, is then that to form the gamma values of corresponding points be the second flat of gamma initial value when making the second two-d display panel
Face display panel.
With continued reference to Fig. 3, the manufacture method of present embodiment comprises the following steps：
Step S301：Obtain the curved face display panel that is formed after the first planar display surface plate benging including central point
Multiple test points gamma value, the gamma values of multiple test points includes the second gamma value, wherein the first two-d display panel
First gamma value meets the display requirement for display.
Because the direction that the gamma value of panel both sides and central point changes upon bending may be differed, such as panel both sides
Gamma value may become big upon bending, the gamma value of central point may diminish upon bending.Therefore, it is after bending in order to improve
In the uniformity of whole panel adjustment, present embodiment, the second gamma value as central point gamma value is not only obtained, is also obtained
The gamma value of other test points in panel, to calculate gamma compensated according to the gamma value of multiple test points including central point
Value.
Further, multiple test points are multiple test points by symmetrical centre of central point.Present embodiment, with nine
Exemplified by test point, as shown in figure 4, obtain the first planar display surface plate benging after formed curved face display panel using central point as
In the specific steps of the gamma value of multiple test points of symmetrical centre, including obtain what is formed after the first planar display surface plate benging
The gamma value of nine test points using central point as symmetrical centre of curved face display panel.Wherein, nine test point three rows of formation
Three row arrangement array matrix, i.e., based on the view shown in Fig. 3, central point A or so two row test point with process
Heart point A and the straight line parallel with vertical direction be line of symmetry symmetrically, the rows of above and below central point A two test point with process
Heart point A and it is mutually perpendicular to the straight line of horizontal direction parallel for line of symmetry, and a line test point where central point A is located at bending
One half width H/2 of the curved face display panel of formation position.In addition, one of them is located at the survey in relative 45 degree of directions of central point
The coordinate position for the curved face display panel that pilot B is formed after the first planar display surface plate benging is (L/9, H/9), and wherein H is
The width of the curved face display panel formed after first planar display surface plate benging, L is formation after the first planar display surface plate benging
Curved face display panel length, i.e., the long side border of test point B Distance surfaces display panel be 1/9 length, apart from short side
Border is 1/9 width.
Wherein it is possible to use brightness of the same probe to nine test points to measure to obtain the gamma of nine test points
Value, it would however also be possible to employ brightness of multiple probes respectively to nine test points is measured to obtain the gamma value of nine test points.
Step S302：The gamma value of each test point is subtracted with the first gamma value respectively, and then obtains multiple differences, with
According to multiple mathematic interpolation gamma compensated values.
Wherein, the first gamma value subtracts the gamma of a test point and is worth to a difference value, and the first gamma value is subtracted separately
The gamma of one test point is worth to a difference, and the rest may be inferred calculates the first gamma value and the difference of other test points.
It is curved to obtain the first two-d display panel by calculating the difference of the first gamma value and the gamma value of multiple test points
The situation of change of the gamma value of curved face display panel diverse location after song.
Gamma compensated value is obtained according to formula is calculated as below：
S=k1*ΔA1+k2*ΔA2+k3*ΔA3+......+kN*ΔAN (1)
Wherein, S is gamma compensated value, Δ A1~Δ ANFor multiple differences, N is more than or equal in 2, present embodiment, and N is equal to
9, it is identical with the quantity of test point.k1~kNFor weight coefficient, and k1+k2+k3+……+kN=1, if Δ A1For the first gamma value
Subtract the difference of the second gamma value, wherein k1More than other weight coefficients.I.e. in present embodiment, the power of the gamma value of central point
Weight coefficient is maximum.In addition, k1~kNIt is positive number.
Step S303：With the first gamma value is plus gamma compensated value and then obtains gamma initial value.
For example, the first gamma value of the first two-d display panel is standard gamma value 2.2, the first two-d display panel is entered
Row bending, and the second gamma value of the curved face display panel formed after the first planar display surface plate benging is measured, measurement result is
The gamma value of 2.4, i.e. central point is 2.4, and measures the gamma value of other eight test points.The second gal is subtracted with the first gamma value
Horse is worth to difference -0.2, and subtracts the gamma value of each test point to obtain eight differences, by this with the first gamma value respectively
The corresponding difference of eight test points of difference -0.2 and other substitutes into formula (1) and calculated, and obtains gamma compensated value S.Use afterwards
First gamma value obtains gamma initial value plus gamma compensated value S.Therefore, it is not with the first gamma value 2.2 in present embodiment
Gamma value initial value is obtained plus difference -0.2.
Step S304：Made based on gamma initial value and obtain the second two-d display panel.
Step S305：The second two-d display panel is bent, and then obtains the curved face display panel with gamma final value, wherein
The absolute value of gamma final value and the difference of the first gamma value is less than the absolute value of the difference of the second gamma value and the first gamma value.
By the above-mentioned means, by the curved face display panel formed after the second planar display surface plate benging, can improve by
Cause the uneven situation of the gamma value changes of whole panel in the change difference of the gamma value of panel diverse location.
In other embodiment of the present invention, the curved face display panel formed after the first planar display surface plate benging of acquisition
In the step of the gamma value of multiple test points including central point, multiple test points may not be with central point to symmetrical
Center, i.e., selected test point can also be asymmetry, and can also only obtain three including central point
The gamma value of individual test point, five test points or ten test points.For example, when three surveys being only through including central point
When the gamma value of pilot calculates gamma compensated value, gamma compensated value is S=k1*ΔA1+k2*ΔA2+k3*ΔA3, wherein setting Δ A1
The difference of the second gamma value is subtracted for the first gamma value, then k1、k2、k3With following relation：k1>k2, k1>k3, and k1+k2+k3=
1, wherein k1、k2、k3It is positive number.
Refering to Fig. 5, in the embodiment of manufacture system one of curved face display panel of the present invention, the manufacture system is to profit
Curved face display panel is manufactured with the manufacture method described in above-mentioned any embodiment.Manufacture system includes measuring apparatus 51, control
Equipment 52 and bending apparatus 53.Wherein, measuring apparatus 51 includes acquiring unit 511, the first computing unit 512 and the second meter
Calculate unit 513.
Acquiring unit 511 is used to obtain the second gamma that curved face display panel is formed after the first planar display surface plate benging
Value, wherein the first gamma value of the first two-d display panel meets the display requirement for display.In present embodiment, with 2.2
Standard gamma value exemplified by, the first gamma value of the first two-d display panel is 2.2, is used so that first gamma value is met
In the display requirement of display.After the first two-d display panel is bent, acquiring unit 511 is by measuring the curved surface being bent to form
The brightness case of display panel obtains the second gamma value of curved face display panel.
First computing unit 512 is used to subtract the second gamma value with the first gamma value and then obtains gamma compensated value.Plane
Because the stress difference that different zones are subject to causes the gamma value of curved face display panel that is formed after bending after display panel bending
Gamma value compared to the two-d display panel before bending produces change.The second gamma is subtracted by using the first gamma value to be worth to
Both differences, so as to change of the gamma value relative to the gamma value before bending of the curved face display panel formed after being bent
Change situation, resulting difference is gamma compensated value.
Second computing unit 513 is used to add gamma compensated value with the first gamma value and then obtains gamma initial value.
Control device 52, which is used to make based on gamma initial value, obtains the second two-d display panel.Show in the second plane of making
When showing panel, the gamma value of the second two-d display panel is controlled on the basis of gamma initial value, further, control device 52
It is gamma initial value for controlling the gamma value of the second two-d display panel when making the second two-d display panel, i.e., for being formed
The second two-d display panel with gamma initial value.Wherein, the size of the second two-d display panel and the first two-d display panel
It is identical, i.e. the second two-d display panel and the two-d display panel that the first two-d display panel is same model.
Bending apparatus 53 is used to bend the second two-d display panel, and then obtains the curved-surface display face with gamma final value
Plate, the wherein absolute value of gamma final value and the difference of the first gamma value are less than the absolute of the difference of the second gamma value and the first gamma value
Value.Wherein, bending apparatus 53 is used to bend the second two-d display panel with equal conditions.The equal conditions refer to bending second
The condition of two-d display panel formation curved face display panel and the bar of bending the first two-d display panel formation curved face display panel
Part is identical, including bending environment phase, mutually equal to the degree of crook of two-d display panel.Degree of crook can using radius of curvature come
Weigh, i.e., the radius of curvature of the curved face display panel formed after the second planar display surface plate benging and by the first planar display surface
The radius of curvature of the curved face display panel formed after plate benging is roughly the same.Certainly, in actual production, limited by technological level
System, may be unable to reach degree of crook striking resemblances, now degree of crook can be allowed to there is certain difference.
The curved face display panel formed after second planar display surface plate benging has gamma final value, the gamma final value and first
The absolute value of the difference of gamma value is less than the absolute value of the difference of the second gamma value and the first gamma value, i.e., based on the gal after gamma compensated
Horse initial value makes the gamma value of obtained curved face display panel and the first gamma value based on no progress gamma compensated is made to
To the gamma value of curved face display panel compare, its gamma value and meet the first gamma value that display is required gap it is smaller, more
Close to the first gamma value, so that the gamma value of manufactured obtained curved face display panel more meets for the aobvious of display
Show requirement, be conducive to improving display effect.
In other embodiment of the present invention, it is not limited to make the second two-d display panel with gamma initial value,
Control device 53 can be made to make the second two-d display panel that gamma value is less than or greater than gamma initial value according to actual conditions, with
So that the first gamma value that resulting curved face display panel is required closer to satisfaction display.
In another embodiment of manufacture system of curved face display panel of the present invention, the first gal of the first two-d display panel
Horse value is the gamma value of the central point of the first two-d display panel, and the second gamma value is formation after the first planar display surface plate benging
Curved face display panel central point gamma value.Wherein, control device 52 is used to be formed the gamma value of central point at the beginning of gamma
Second two-d display panel of value.
In the present embodiment, further, acquiring unit 511 is specifically for obtaining after the first planar display surface plate benging
The gamma value of multiple test points including central point of the curved face display panel of formation, i.e. acquiring unit 511 is not only obtained
Second gamma value, also obtains the gamma value of curved face display panel other positions point.Wherein, multiple test points be using central point as pair
Multiple test points at title center.In present embodiment, by taking nine test points as an example, acquiring unit 511 is used to obtain the first plane
The gamma value of nine test points using central point as symmetrical centre of the curved face display panel formed after display panel bending.Its
In, the array matrix of nine test point formation three rows three row arrangements, i.e., based on the view shown in Fig. 3, in central point A or so
The test points of two row are using process central point A and the straight line parallel with vertical direction is symmetrical as line of symmetry, in above and below central point A
The test point of two rows is as line of symmetry to be mutually perpendicular to by central point A and with the straight line of horizontal direction parallel, and central point A places
A line test point be located at the half width H/2 of curved face display panel being bent to form position.In addition, one of them is located at phase
To the coordinate position of the test point B in 45 degree of directions of the central point curved face display panels formed after the first planar display surface plate benging
For (H/9, L/9), wherein H is the width of the curved face display panel formed after the first planar display surface plate benging, and L is the first plane
The length of the curved face display panel formed after display panel bending, i.e. the long side border of test point B Distance surfaces display panel is
1/9 length, the width for being 1/9 apart from short side border.
First computing unit 512 is used for the gamma value for subtracting each test point with the first gamma value respectively, and then obtains
Multiple differences, with according to multiple mathematic interpolation gamma compensated values.Specifically, the first computing unit 512 is according to being calculated as below formula
Calculating obtains gamma compensated value：
S=k1*ΔA1+k2*ΔA2+k3*ΔA3+......+kN*ΔAN
Wherein, S is gamma compensated value, Δ A1~Δ ANFor multiple differences, N is more than or equal in 2, present embodiment, and N is equal to
9, it is identical with the quantity of test point.k1~kNFor weight coefficient, and k1+k2+k3+……+kN=1, if Δ A1For the first gamma value
Subtract the difference of the second gamma value, wherein k1More than other weight coefficients.I.e. in present embodiment, the power of the gamma value of central point
Weight coefficient is maximum.In addition, k1~kNIt is positive number.
Obtain after gamma compensated value, the second computing unit 513 is used to the first gamma value adding gamma compensated value S and then obtained
To gamma initial value, to cause the second two-d display panel that the control of control device 53 makes that there is gamma initial value, or control
The second two-d display panel made has the gamma value less than or greater than gamma initial value.
Obtain multiple test points gamma value calculate obtain gamma compensated value by way of to the second two-d display panel
Gamma value carry out gamma compensated, cause entire surface because the change of the gamma value of panel diverse location is different so as to improve
The uneven situation of the gamma value changes of plate.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of manufacture method of curved face display panel, it is characterised in that including：
The second gamma value that curved face display panel is formed after the first planar display surface plate benging is obtained, wherein first plane is aobvious
Show that the first gamma value of panel meets the display requirement for display；
Second gamma value is subtracted with first gamma value and then obtains gamma compensated value；
With first gamma value is plus the gamma compensated value and then obtains gamma initial value；
Made based on the gamma initial value and obtain the second two-d display panel；
Second two-d display panel is bent, and then obtains the curved face display panel with gamma final value, wherein the gamma
The absolute value of final value and the difference of first gamma value is less than the absolute of the difference of second gamma value and first gamma value
Value.
2. according to the method described in claim 1, it is characterised in that first gamma value is first two-d display panel
Central point gamma value, second gamma value is the curved face display panel that is formed after the first planar display surface plate benging
Central point gamma value；
It is described based on the gamma initial value make obtain the second two-d display panel the step of include：Form the gamma value of central point
For the second two-d display panel of the gamma initial value.
3. method according to claim 2, it is characterised in that formed after the first planar display surface of acquisition plate benging bent
The step of second gamma value of face display panel, includes：
Obtain multiple surveys including central point of the curved face display panel formed after the first planar display surface plate benging
The gamma value of pilot；
It is described that second gamma value is subtracted with first gamma value and then is included the step of obtaining gamma compensated value：
The gamma value of each test point is subtracted with first gamma value respectively, and then obtains multiple differences；
The gamma compensated value is obtained according to formula is calculated as below：
S=k1*ΔA1+k2*ΔA2+k3*ΔA3+......+kN*ΔAN
Wherein, S is the gamma compensated value, Δ A1~Δ ANFor the multiple difference, N is more than or equal to 2, k1~kNFor weight system
Number, and k1+k2+k3+……+kN=1, if Δ A1The difference of second gamma value, wherein k are subtracted for first gamma value1
More than other weight coefficients.
4. method according to claim 3, it is characterised in that shape after acquisition the first planar display surface plate benging
Into curved face display panel include including the gamma value of multiple test points including central point the step of：
Obtain the institute by symmetrical centre of central point of the curved face display panel formed after the first planar display surface plate benging
State the gamma value of multiple test points.
5. method according to claim 4, it is characterised in that shape after acquisition the first planar display surface plate benging
Into curved face display panel the multiple test point by symmetrical centre of central point gamma value the step of include：
Obtain the survey of nine using central point as symmetrical centre of the curved face display panel formed after the first planar display surface plate benging
The gamma value of pilot, wherein the array matrix of nine test points formation three rows three row arrangement, during one of them is located at relatively
The coordinate position for the curved face display panel that the test point in 45 degree of directions of heart point is formed after the first planar display surface plate benging
For (L/9, H/9), wherein, H is the width of the curved face display panel formed after the first planar display surface plate benging, and L is first flat
The length of the curved face display panel formed after the display panel bending of face.
6. a kind of manufacture system of curved face display panel, it is characterised in that set including measuring apparatus, control device and bending
It is standby；
The measuring apparatus includes：
Acquiring unit, forms the second gamma value of curved face display panel for obtaining after the first planar display surface plate benging, wherein
First gamma value of first two-d display panel meets the display requirement for display；
First computing unit, for subtracting second gamma value with first gamma value and then obtaining gamma compensated value；
Second clearing unit, for first gamma value is plus the gamma compensated value and then obtains gamma initial value；
Wherein described control device, which is used to make based on the gamma initial value, obtains the second two-d display panel；
Bending apparatus is used to bend second two-d display panel, and then obtains the curved face display panel with gamma final value,
The absolute value of wherein described gamma final value and the difference of first gamma value is less than second gamma value and first gamma
The absolute value of the difference of value.
7. manufacture system according to claim 6, it is characterised in that first gamma value is that first plane is shown
The gamma value of the central point of panel, second gamma value is the curved-surface display that is formed after the first planar display surface plate benging
The gamma value of the central point of panel；It is the second flat of the gamma initial value that the control device, which is used to being formed the gamma value of central point,
Face display panel.
8. manufacture system according to claim 7, it is characterised in that the acquiring unit is used to obtain first plane
The gamma value of multiple test points including central point of the curved face display panel formed after display panel bending；
First computing unit is used to subtract the gamma value of each test point with first gamma value respectively, and then obtains
Multiple differences, and obtain the gamma compensated value according to formula is calculated as below：
S=k1*ΔA1+k2*ΔA2+k3*ΔA3+......+kN*ΔAN
Wherein, S is the gamma compensated value, Δ A1~Δ ANFor the multiple difference, N is more than or equal to 2, k1~kNFor weight system
Number, and k1+k2+k3+……+kN=1, if Δ A1The difference of second gamma value, wherein k are subtracted for first gamma value1
More than other weight coefficients.
9. manufacture system according to claim 8, it is characterised in that the acquiring unit is used to obtain first plane
The gamma value of the multiple test point by symmetrical centre of central point of the curved face display panel formed after display panel bending.
10. manufacture system according to claim 9, it is characterised in that the acquiring unit is used for the first plane of acquisition and shown
Show the gamma value of nine test points using central point as symmetrical centre of the curved face display panel formed after panel bending, wherein institute
The array matrix of nine test point formation three rows three row arrangements is stated, one of them is located at the test point in relative 45 degree of directions of central point
The coordinate position of the curved face display panel formed after the first planar display surface plate benging is (L/9, H/9), wherein, H is
The width of the curved face display panel formed after first planar display surface plate benging, L is formation after the first planar display surface plate benging
Curved face display panel length.
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| JP6677192B2 (en) * | 2016-04-14 | 2020-04-08 | 株式会社デンソー | Display device |
| CN107978230B (en) * | 2016-10-25 | 2020-01-31 | 昆山国显光电有限公司 | Flexible display screen bending display compensation method and system |
| CN109036249B (en) * | 2018-08-22 | 2021-10-22 | 京东方科技集团股份有限公司 | Display method of curved surface display panel and curved surface display device |
| CN111161678B (en) * | 2020-01-02 | 2021-03-30 | 京东方科技集团股份有限公司 | Gamma voltage adjusting method, driving method and device for curved surface display panel |
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