CN114038329A - Curved surface display panel and display device - Google Patents
Curved surface display panel and display device Download PDFInfo
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- CN114038329A CN114038329A CN202111440518.3A CN202111440518A CN114038329A CN 114038329 A CN114038329 A CN 114038329A CN 202111440518 A CN202111440518 A CN 202111440518A CN 114038329 A CN114038329 A CN 114038329A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13392—Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The application discloses a curved surface display panel and a display device, wherein the curved surface display panel comprises a first substrate, a second substrate and a spacer, the first substrate and the second substrate are arranged in a box-to-box mode, one end of the spacer is fixedly connected with the first substrate, the other end of the spacer is abutted against the second substrate, the curved surface display panel further comprises a limiting module, and the limiting module is arranged between the first substrate and the second substrate; the limiting module comprises a fixing piece and a limiting piece, the fixing piece is arranged on one side, close to the first substrate, of the second substrate, the limiting piece corresponds to the position of the fixing piece and is arranged on the first substrate, and the height of the limiting piece is smaller than that of the spacer; before the curved surface display panel is bent, the limiting part falls into the fixing part, and gaps are formed between the limiting part and two sides of the fixing part; after the curved surface display panel is bent, two sides of the fixing piece are respectively abutted to the limiting pieces. Through the mode, the light leakage between the two substrates caused by excessive dislocation of the two substrates can be prevented under the condition that the bending of the display panel is not hindered.
Description
Technical Field
The application relates to the technical field of display, in particular to a curved surface display panel and a display device.
Background
With the progress of society, the living standard of people is improved, and curved surface display screens with high resolution, high transmittance, wider visual range and stereoscopic visual effect are more and more favored by people. The curved display screen needs to be bent according to a certain curvature due to a special shape, and in the bending process, the bending rates of the array substrate and the color film substrate are different, so that the array substrate and the color film substrate cannot be precisely staggered and occluded and arranged, a central line between a data line and a shading layer is deviated, and displayed pictures have the problems of light leakage, color mixing and the like.
The scheme for solving the problem of light leakage generated when a curved display is bent at present mainly increases the area of a light shielding layer between every two adjacent sub-color resistors in a color film substrate or an array substrate, and the light shielding layer is arranged between the color resistor layers, so that the maximum light shielding effect can be achieved, and the substrate dislocation light leakage generated due to different bending curvatures when the array substrate or the color film substrate is bent can be shielded. However, increasing the shielding area of the light shielding layer results in a decrease in the aperture ratio of the panel.
Therefore, it is important to prevent the light leakage caused by the misalignment between the two substrates due to the different bending ratios of the two substrates without sacrificing the aperture ratio.
Disclosure of Invention
The utility model aims at providing a curved surface display panel and display device can prevent two base plates from taking place the light leak that appears between two base plates that excessive dislocation leads to under the crooked condition of display panel not hindering.
The application also discloses a curved surface display panel, which comprises a first substrate, a second substrate and a spacer, wherein the first substrate and the second substrate are arranged in a box pair manner, one end of the spacer is fixedly connected with the first substrate, the other end of the spacer is abutted against the second substrate, the curved surface display panel further comprises a limiting module, and the limiting module is arranged between the first substrate and the second substrate and used for preventing the first substrate and the second substrate from sliding relatively; the limiting module comprises a fixing piece and a limiting piece, the fixing piece is arranged on one side, close to the first substrate, of the second substrate, the limiting piece corresponds to the position of the fixing piece and is arranged on the first substrate, and the height of the limiting piece is smaller than that of the spacer; before the curved surface display panel is bent, the limiting part falls into the fixing part, and gaps are formed between the limiting part and two sides of the fixing part; after the curved surface display panel is bent, two sides of the fixing piece are respectively abutted to the limiting pieces.
Optionally, the fixing element includes a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are oppositely disposed on the second substrate and have a gap, one end of the limiting element is disposed on the first substrate, and the other end of the limiting element falls into the gap, the width of the gap is greater than the width of the limiting element; after the curved surface display panel is bent, the first fixing portion and the second fixing portion are respectively abutted to the limiting piece.
Optionally, the first fixing portion and the second fixing portion are respectively in triangular arrangement after abutting against the limiting member, the inclination angles of the first fixing portion and the second substrate are acute angles, and the angle range of the inclination angle is 30-60 °.
Optionally, the first substrate is a color film substrate, the second substrate is an array substrate, and the array substrate is disposed on one side of the light incident surface of the curved surface display panel; the array substrate comprises a substrate, a passivation layer and a plurality of data lines, the data lines are arranged on the substrate in an array mode, the passivation layer covers the data lines, the passivation layer corresponds to the position of each data line and protrudes towards the direction of the color film substrate to form the first fixing portion and the second fixing portion, and the limiting piece is arranged between the black matrix of the color film substrate and the first fixing portion and the second fixing portion.
Optionally, the first substrate is an array substrate, the second substrate is a color film substrate, and the color film substrate is disposed on one side of the light incident surface of the curved display panel; the color film substrate comprises a black matrix, a planarization layer and a plurality of color resistors, wherein the black matrix is arranged between two adjacent color resistors, the planarization layer is arranged corresponding to the black matrix and covers a gap formed between the two adjacent color resistors, the planarization layer corresponds to the position of a data line of the array substrate and protrudes towards the direction of the array substrate to form a first fixing part and a second fixing part, and the limiting part is arranged on a passivation layer of the array substrate and corresponds to the position between the first fixing part and the second fixing part.
Optionally, the fixing element is made of an elastic material, a groove is formed in a position of the fixing element corresponding to the limiting element, and the groove is formed by recessing one side of the fixing element facing the first substrate to a side close to the second substrate; the tank bottom width of recess is greater than the width of locating part, curved surface screen panel crooked back, the both sides of recess respectively with the locating part butt.
Optionally, the two sides of the limiting part are provided with limiting grooves corresponding to positions in contact with the two sides of the fixing part, and after the curved surface display panel is bent, the two sides of the fixing part are clamped in the limiting grooves.
Optionally, the middle point of the fixing member, the middle point of the data line, and the center of the limiting member are coaxially disposed.
Optionally, chamfering structures are arranged at positions where two sides of the fixing part abut against the limiting part, and the chamfering structures are round chamfers.
The application also discloses a display device, including backlight unit, display device still includes foretell curved surface display panel, backlight unit sets up one side of curved surface display panel's income plain noodles.
Compared with the scheme of increasing the area of the light shielding layer between every two adjacent color resistors in the color film substrate or the array substrate to prevent the substrate dislocation light leakage caused by different bending curvatures, the limiting module does not obstruct the bending of the display panel, when the display panel is in a planar state, two sides of the fixing piece are not in contact with the limiting piece, and the second substrate is bent towards the first substrate in the bending process of the display panel, so that two sides of the fixing piece approach towards two sides of the limiting piece along with the bending direction of the second substrate, the bending of the display panel is not obstructed by the limiting module, after the display panel is bent, two sides of the fixing piece abut against the limiting piece, the limiting piece is limited from two sides of the limiting piece, the limiting piece is prevented from moving, and the dislocation problem caused by different bending curvatures of the two substrates is effectively inhibited, the light leakage between the two substrates caused by excessive dislocation of the two substrates can be prevented without hindering the bending of the display panel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a display device according to an embodiment of the present application;
FIG. 2 is a partial schematic view of a curved display panel according to a first embodiment of the present application before being bent;
FIG. 3 is a partial schematic view of a curved display panel according to a first embodiment of the present application after bending;
FIG. 4 is a partial schematic view of a curved display panel according to a second embodiment of the present application before being bent;
FIG. 5 is a partial schematic view of a curved display panel according to a second embodiment of the present application after being curved;
FIG. 6 is a partial schematic view of a curved display panel according to a third embodiment of the present application before being bent;
FIG. 7 is a partial schematic view of a curved display panel according to a third embodiment of the present application after being curved;
FIG. 8 is a partial schematic view of a curved display panel according to a fourth embodiment of the present application before being bent;
FIG. 9 is a partial schematic view of a curved display panel according to a fourth embodiment of the present application after being curved;
FIG. 10 is a partial schematic view of a curved display panel according to a fifth embodiment of the present application after being curved.
10, a display device; 100. a curved display panel; 110. a first substrate; 120. a second substrate; 130. a color film substrate; 140. an array substrate; 200. a backlight module; 300. a spacer; 150. a limiting module; 160. a fixing member; 170. a limiting member; 161. a first fixed part; 162. a second fixed part; 180. a substrate base plate; 190. a passivation layer; 191. a data line; 192. a black matrix; 193. a planarization layer; 194. color resistance; 195. a groove; 196. a limiting groove; 197. and (5) chamfering structure.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The present application is described in detail below with reference to the figures and alternative embodiments.
Fig. 1 is a schematic view of a display device according to an embodiment of the present application, and as shown in fig. 1, the present application discloses a display device 10, which includes a backlight module 200, the display device 10 further includes a curved display panel 100, and the backlight module 200 is disposed on one side of a light incident surface of the curved display panel 100. The backlight module 200 provides a light source for the curved display panel 100 to ensure the normal display of the curved display panel 100.
The curved display panel 100 employed in the display device 10 of the present application may be a liquid crystal display panel or an organic light emitting diode display panel, and is not particularly limited herein; when the curved display panel 100 is manufactured, two substrates of the planar display panel are bent at a certain angle to form a curved surface, and in the process of bending the two substrates, the two substrates are the curved display panel 100 formed by bending the two sides of the display panel towards the central line direction of the display panel, when the curved display panel is bent, the two substrates are easily subjected to horizontal direction due to different bending curvatures, namely, dislocation in the X-axis direction, the display panel is bent in a proper range, the influence on the overall performance of the display panel is small, but the bending angle is increased at any time, excessive dislocation easily occurs in the two substrates of the display panel, and thus, the dislocation occurs in the shading part originally arranged between the two substrates, and the problem of light leakage is caused.
The display device 10 of the present application is improved for the curved surface display panel 100, and under the condition that the display panel is not hindered from being bent, the light leakage between the two substrates caused by excessive dislocation of the two substrates is prevented, and the specific improvement of the present application for the curved surface display panel 100 is as follows:
fig. 2 is a partial schematic view of a curved display panel according to a first embodiment of the present application before bending, fig. 3 is a partial schematic view of a curved display panel according to a first embodiment of the present application after bending, as shown in fig. 2 and fig. 3, the present application further discloses a curved display panel 100, which includes a first substrate 110, a second substrate 120, and a spacer 300, wherein the first substrate 110 and the second substrate 120 are arranged in a box-to-box manner, one end of the spacer 300 is fixedly connected to the first substrate 110, and the other end of the spacer abuts against the second substrate 120, the curved display panel 100 further includes a limiting module 150, and the limiting module 150 is arranged between the first substrate 110 and the second substrate 120; the limiting module 150 includes a fixing member 160 and a limiting member 170, the fixing member 160 is disposed on one side of the second substrate 120 close to the first substrate 110, the limiting member 170 is disposed on the first substrate 110 corresponding to the position of the fixing member 160, and the height of the limiting member 170 is smaller than the height of the spacer 300; the position-limiting part 170 partially falls into the fixing part 160, and has a gap with both sides of the fixing part 160; after the curved display panel 100 is bent, two sides of the fixing member 160 are respectively abutted against the limiting members 170.
In the present application, the position of the first substrate 110 is provided with the position-limiting member 170, the position of the second substrate 120 corresponding to the position-limiting member 170 is provided with the fixing member 160, when the first substrate 110 and the second substrate 120 are aligned, the position-limiting member 170 on the first substrate 110 partially falls into the fixing member 160 of the second substrate 120, and in the planar state of the display panel, the position-limiting member 170 and the fixing member 160 have a gap therebetween, which is not in contact with each other, because the second substrate 120 is bent towards the first substrate 110 during the bending process of the display panel, the two sides of the fixing member 160 approach towards the two sides of the position-limiting member 170 along the bending direction of the second substrate 120, and the two sides of the fixing member 160 do not contact with the position-limiting member 170 during the initial state, a bending space of the curved display panel 100 is reserved, and the two sides of the fixing member 170 do not hinder the bending of the display panel during the process of approaching the position-limiting member 170, the curved-surface display panel 100 can start to bend normally, after the curved-surface display panel 100 bends to a preset angle, two sides of the fixing member 160 abut against the limiting member 170, limiting of the limiting member 170 is formed from two sides of the limiting member 170, the limiting member 170 is prevented from moving, and light leakage between two substrates caused by excessive dislocation of the two substrates can be prevented without hindering the bending of the curved-surface display panel 100.
Simultaneously, different with the sheltering from area that directly increases the shielding layer, this application adopts to set up spacing module 150 between two base plates of curved surface display panel 100 to the position that spacing module 150 set up is located the not luminous region of curved surface display panel 100, and this makes spacing module 150 can not shelter from the light that is sent by backlight unit 200, can prevent the dislocation light leak between two base plates under the condition of not sacrificing the aperture opening ratio.
In addition, in the present application, the height of the limiting member 170 is smaller than the height of the spacer 300, so that when the flat display panel is designed in a state, the spacer 300 firstly abuts between the first substrate 110 and the second substrate 120 to play a certain supporting role, and at this time, the limiting member 170 does not contact with the second substrate 120, and when the flat display panel is bent to form the curved display panel 100, the limiting member 170 does not block the bending between the first substrate 110 and the second substrate 120, and the formation of the curved display panel 100 is not affected. When the curved-surface display panel 100 is subjected to an external force or a pressure test, the first substrate 110 is subjected to the external force to enable the limiting member 170 on the first substrate 110 to gradually approach the second substrate 120, and under the continuous external force, the limiting member 170 abuts against the second substrate 120 to serve as an auxiliary support for the first substrate 110 and the second substrate 120, so that the curved-surface display panel 100 is prevented from being damaged or uneven in box thickness, and the structural strength of the curved-surface display panel 100 is enhanced.
In this application, the distance of mounting 160 both sides can be according to the angle setting that curved surface display panel 100 actually is crooked, require curved surface display panel 100's bending angle great in production promptly, the distance of mounting 160 both sides is more far away, when curved surface display panel 100's bending angle is less, the distance of mounting 160 both sides can set up closely to satisfy curved surface display panel 100 and crooked to predetermine the angle after, the both sides of mounting 160 can just form the butt with locating part 170.
Specifically, as shown in fig. 3, the fixing member 160 includes a first fixing portion 161 and a second fixing portion 162, the first fixing portion 161 and the second fixing portion 162 are oppositely disposed on the second substrate 120 and have a gap, one end of the limiting member 170 is disposed on the first substrate 110, and the other end thereof falls into the gap, and the width of the gap is greater than that of the limiting member 170; after the curved display panel 100 is bent, the first fixing portion 161 and the second fixing portion 162 are respectively abutted against the limiting member 170.
In this embodiment, the fixing member 160 is composed of two parts, namely, a first fixing portion 161 and a second fixing portion 162, the first fixing portion 161 and the second fixing portion 162 are correspondingly disposed on the second substrate 120, one end of the limiting member 170 is fixed on the first substrate 110, and the other end falls into a gap between the first fixing portion 161 and the second fixing portion 162, that is, when the curved display panel 100 is in a planar state, the first fixing portion 161, the second fixing portion 162 and the limiting member 170 are not in contact with each other, when the curved display panel 100 is bent, the second substrate 120 is bent toward the first substrate 110, the first fixing portion 161 and the second fixing portion 162 on the second substrate 120 are respectively inclined toward two sides of the limiting member 170, but the first fixing portion 161 and the second fixing portion 162 do not hinder the bending of the curved display panel 100, and the curved display panel 100 can be smoothly bent to a predetermined angle, when the curved display panel 100 starts to bend, although the curved display panel 100 has different bending curvatures, the small-angle bending does not cause an obvious dislocation light leakage problem, when the curved display panel 100 is bent, the curved display panel 100 is at a large-angle bending, the first fixing portion 161 and the second fixing portion 162 are respectively abutted against the limiting portion 170 from two sides of the limiting portion 170, so that the limiting portion 170 can be limited, and the light leakage between the two substrates caused by excessive dislocation of the first substrate 110 and the second substrate 120 is prevented under the condition that the curved display panel 100 is not hindered from bending.
Further, the first fixing portion 161 and the second fixing portion 162 are disposed in a triangular shape after abutting against the limiting member 170, and the inclination angles of the first fixing portion 161, the second fixing portion 162 and the second substrate 120 are acute angles, and the angle range of the inclination angle is 30 ° to 60 °.
When the first fixing portion 161 and the second fixing portion 162 abut against the limiting member 170 to form a triangular structure, and the first fixing portion 161 and the second fixing portion 162 abut against both sides of the limiting member 170 and are not easy to fall off due to the stability of the triangle, preferably, the inclination angles between the first fixing portion 161 and the second fixing portion 162 and the second substrate 120 are both 45 °, so that when the first fixing portion 161 and the second fixing portion 162 abut against both sides of the limiting member 170, an isosceles triangle support structure is formed; when the display panel is acted by an external force, the first fixing portion 161 and the second fixing portion 162 at two sides of the position-limiting member 170 are uniformly stressed, so that the position-limiting member 170 is stably supported, and the position-limiting member 170 is prevented from being damaged by the stable fixation between the first fixing portion 161 and the second fixing portion 162 and the position-limiting member 170 under the condition that the position-limiting member 170 has a displacement trend towards one side of the first fixing portion 161 or the second fixing portion 162 under the action of the external force, thereby further preventing the light leakage problem of the curved display panel 100 caused by the external force.
Further, as shown in fig. 2, when the first substrate 110 is a color filter substrate 130, the second substrate 120 is an array substrate 140, and the array substrate 140 is disposed on one side of the light incident surface of the curved display panel 100; the array substrate 140 includes a substrate, a passivation layer and a plurality of data lines 191, the plurality of data lines 191 are arranged on the substrate in an array, the passivation layer covers the plurality of data lines 191, the passivation layer corresponds to the position of each data line 191 and protrudes in the direction of the color filter substrate 130 to form a first fixing portion 161 and a second fixing portion 162, and a position limiting member 170 is arranged on the black matrix 192 of the color filter substrate 130 corresponding to a position between the first fixing portion 161 and the second fixing portion 162.
At this time, the color filter substrate 130 is above the array substrate 140, the array substrate 140 is close to the backlight module 200, when the color filter substrate 130 and the array substrate 140 are bent, both sides of the array substrate 140 and the color filter substrate 130 are bent toward the center line direction, for the array substrate 140, the bending direction is only bent in the width direction of the plurality of data lines 191 arranged in an array on the array substrate 140, so that the first fixing portion 161 and the second fixing portion 162 are disposed at positions on the passivation layer corresponding to the data lines 191, the first fixing portion 161 and the second fixing portion 162 are arranged along the width direction of the data lines 191, the position limiting member 170 is disposed between the color filter substrate 130 corresponding to the first fixing portion 161 and the second fixing portion 162, and the first fixing portion 161, the second fixing portion 162 and the position limiting member 170 are disposed at positions corresponding to the data lines 191 by using the characteristic that the data lines 191 have light shielding and do not obstruct light, the aperture ratio can not be influenced; and the stopper 170 is partially overlapped with the first fixing portion 161 and the second fixing portion 162 in the horizontal direction, so that the stopper 170 is partially dropped into a region between the first fixing portion 161 and the second fixing portion 162; when the array substrate 140 is bent, both sides of the array substrate 140 are bent toward the central line direction, and is bent toward the color filter substrate 130, the first fixing portion 161 and the second fixing portion 162 disposed on the passivation layer of the array substrate 140 are bent along with the bending of the array substrate 140, and approaching to the position-limiting member 170, when the curved display panel 100 is bent, the first fixing portion 161 and the second fixing portion 162 abut against the position-limiting member 170 from two sides, thus, when the curved display panel 100 is bent, the first fixing portion 161 and the second fixing portion 162 can limit the position of the position-limiting member 170 in the X-axis direction, so as to prevent the color filter substrate 130 and the array substrate 140 from being bent to a predetermined large angle due to different curvatures of the color filter substrate 130 and the array substrate 140, and the excessive dislocation movement in the horizontal direction is caused, so that the light leakage problem caused by serious dislocation of the color film substrate 130 and the array substrate 140 is avoided.
The first fixing portion 161 and the second fixing portion 162 may be protrusions formed by directly protruding a passivation layer of the array substrate 140, the limiting member 170 may be protrusions formed on a black matrix 192 on the color filter substrate 130, the first fixing portion 161 and the second fixing portion 162 may be long strips, and the corresponding limiting member 170 may also be long strips, the passivation layer and the black matrix 192 may be used to form the first fixing portion 161, the second fixing portion 162, and the limiting member 170 by using the self structure of the array substrate 140 and the color filter substrate 130, so as to save materials and reduce manufacturing processes, or the first fixing portion 161 and the second fixing portion 162 may be additionally added on the passivation layer, and the limiting member 170 is additionally manufactured on the black matrix 192 of the color filter substrate 130, and the materials may be the same as or different from the passivation layer, and no specific limitation is made here.
Fig. 4 is a partial schematic view of a curved display panel according to a second embodiment of the present application before being bent, and fig. 5 is a partial schematic view of a curved display panel according to a second embodiment of the present application after being bent, as shown in fig. 4 and fig. 5, the first substrate 110 is an array substrate 140, the second substrate 120 is a color filter substrate 130, and the color filter substrate 130 is disposed on one side of the light incident surface of the curved display panel 100; the color filter substrate 130 includes a black matrix 192, a planarization layer 193 and a plurality of color resistors 194, the black matrix 192 is disposed between two adjacent color resistors 194, the planarization layer 193 is disposed corresponding to the black matrix 192 and covers a gap formed between two adjacent color resistors 194, the planarization layer 193 protrudes toward the array substrate 140 corresponding to the data line 191 of the array substrate 140 to form a first fixing portion 161 and a second fixing portion 162, and a position-limiting member 170 is disposed on the passivation layer of the array substrate 140 corresponding to the first fixing portion 161 and the second fixing portion 162.
At this time, the array substrate 140 is above the color filter substrate 130, the color filter substrate 130 is close to the backlight module 200, when the color filter substrate 130 and the array substrate 140 are bent, two sides of the array substrate 140 and the color filter substrate 130 are bent toward the center line direction, for the color filter substrate 130, the bending direction is only bent in the width direction of the plurality of color resistors 194 arranged on the array substrate 140, so that the first fixing portion 161 and the second fixing portion 162 are arranged on the planarization layer 193 of the color filter substrate 130 at the position corresponding to the data line 191 of the array substrate 140, the first fixing portion 161 and the second fixing portion 162 are arranged along the width direction of the planarization layer 193, the position limiting member 170 is arranged between the array substrate 140 corresponding to the first fixing portion 161 and the second fixing portion 162, and the limiting member 170 is partially overlapped with the first fixing portion 161 and the second fixing portion 162 in the horizontal direction, so that the stopper 170 partially falls into the region between the first fixing portion 161 and the second fixing portion 162; when the color filter substrate 130 is bent, two sides of the color filter substrate 130 are bent toward the center line direction and are bent toward one side of the array substrate 140, the first fixing portion 161 and the second fixing portion 162 which are arranged on the planarization layer 193 of the color filter substrate 130 are close to the limiting member 170 on the array substrate 140 along with the bending of the color filter substrate 130, and after the curved surface display panel 100 is bent, the first fixing portion 161 and the second fixing portion 162 are respectively abutted against the limiting member 170 from two sides, so that when the curved surface display panel 100 is bent, the first fixing portion 161 and the second fixing portion 162 can limit the limiting member 170 in the X-axis direction, and the problem that excessive light leakage in the horizontal direction is caused by the fact that the color filter substrate 130 and the array substrate 140 are bent to reach a preset angle due to different bending curvatures is solved.
Of course, in this embodiment, the first fixing portion 161 and the second fixing portion 162 may be protrusions formed by the planarization layer 193 of the color filter substrate 130 protruding toward the array substrate 140, or may be formed by stacking two extra color resistors 194, and the position-limiting member 170 of the array substrate 140 may be formed by the passivation layer of the array substrate 140 protruding.
In addition, in the above embodiment, the middle point of the fixing member 160, the middle point of the data line 191, and the center of the limiting member 170 may be coaxially disposed. Therefore, the first fixing portion 161 and the second fixing portion 162 are guaranteed to collide with the limiting member 170 after the curved-surface display panel 100 is bent, the situation that uneven stress is generated after the first fixing portion 161 and the second fixing portion 162 collide with the limiting member 170 is avoided, the limiting member 170 is caused to move towards the side with smaller stress due to uneven stress formed by the side with larger stress, the problem that the curved-surface display panel 100 is further staggered to leak light is avoided, and when the first fixing portion 161 and the second fixing portion 162 are inclined, the inclined range is within the range of the data line 191, and the light-emitting region is prevented from being shielded.
Fig. 6 is a partial schematic view of a curved display panel according to a third embodiment of the present invention before being bent, and fig. 7 is a partial schematic view of a curved display panel according to the present invention after being bent, as shown in fig. 6 and fig. 7, a fixing member 160 is made of an elastic material, a groove 195 is disposed at a position of the fixing member 160 corresponding to the position-limiting member 170, and the groove 195 is formed by recessing a side of the fixing member 160 facing the first substrate 110 to a side close to the second substrate 120;
and the width of the groove bottom of the side wall groove 195 of the groove 195 in the length direction of the second substrate 120 is greater than the width of the limiting member 170, and after the curved screen panel is bent, two sides of the groove 195 are respectively abutted against the limiting member 170.
The difference between this embodiment and the above-mentioned embodiments is that, in this embodiment, the fixing member 160 is an integrally formed structure, and a groove 195 is formed in the middle of the fixing member 160, and the depth of the groove 195 may be relatively deep, so that the bottom of the fixing member 160 is formed to be thin, when the second substrate 120 is bent, the bottom of the fixing member 160 is more easily bent, so that both sides of the fixing member 160, that is, two sidewalls of the groove 195 in the length direction of the second substrate 120 can more easily abut against the limiting member 170, the limiting member 170 is limited from two sides of the limiting member 170, this effectively suppresses the problem of horizontal misalignment of the two substrates due to the difference in curvature of curvature, and enables the curved display panel 100 to be curved without being hindered from being curved, prevent that two base plates from reaching when great predetermined bend angle, the light leak that takes place excessive dislocation and lead to between two base plates.
Fig. 8 is a partial schematic view of a curved display panel according to a fourth embodiment of the present invention before being bent, and fig. 9 is a partial schematic view of a curved display panel according to the present invention after being bent, where, as shown in fig. 8 and fig. 9, two sides of the limiting member 170 are provided with limiting grooves 196 corresponding to positions contacting two sides of the fixing member 160, and after the curved display panel 100 is bent, two sides of the fixing member 160 are clamped in the limiting grooves 196.
In the above embodiment, in order to better match the fixing member 160 with the limiting member 170, after the two sides of the fixing member 160 are abutted against the limiting member 170, the whole structure is more stable, the limiting grooves 196 may be disposed at positions corresponding to the two sides of the limiting member 170, where the two sides of the fixing member 160 are in contact with the two sides of the fixing member 160, when the curved display panel 100 is bent, the two sides of the fixing member 160 can be just clamped in the limiting grooves 196, so that the limiting effect between the fixing member 160 and the limiting member 170 can be enhanced, the problem of substrate dislocation and light leakage caused by excessive dislocation of the upper and lower substrates in the horizontal direction due to different bending curvatures can be prevented, and the curved display panel 100 can be better supported in the process of being extruded by an external force, thereby preventing the curved display panel 100 from being deformed.
Fig. 10 is a partial schematic view of a curved display panel according to a fifth embodiment of the present application after being bent, and as shown in fig. 10, the embodiment shown in fig. 10 is based on the improvement of fig. 3, a chamfer structure 197 is disposed at a position where two sides of the fixing member 160 abut against the limiting member 170, and the chamfer structure 197 is a circular chamfer.
Since the second substrate 120 is bent toward the first substrate 110 during the process of bending the flat display panel to form the curved display panel 100, the fixing member 160 disposed on the second substrate 120 is bent along with the bending of the second substrate 120, during the bending process of the fixing member 160, two sides of the fixing member 160 move toward the central line of the fixing member 160 and gradually approach the position-limiting member 170, after the curved display panel 100 is bent at a certain angle, two sides of the fixing member 160 abut against two sides of the position-limiting member 170 to limit the position from two sides of the position-limiting member 170, and during the extrusion or pressure test of the curved display panel 100 by an external force, the position-limiting member 170 may continue to move toward the second substrate 120, and during the movement of the position-limiting member 170, the position-limiting member 170 is always kept in contact with the first fixing portion 161 and the second fixing portion 162, the positions where the first fixing portion 161 and the second fixing portion 162 abut against the limiting member 170 are provided with rounded chamfers, so that the limiting member 170 is more stable in the process of moving under external force, and is not subjected to obvious pause and contusion caused by corner contact, thereby further protecting the curved display panel 100 from being broken easily.
The manufacturing of the limiting module 150 in the application can be realized through a semi-permeable membrane photomask, and the manufacturing process has strong feasibility, is mature at present, and is not repeated herein.
It should be noted that the inventive concept of the present application can form many embodiments, but the present application has a limited space and cannot be listed one by one, so that, on the premise of no conflict, any combination between the above-described embodiments or technical features can form a new embodiment, and after the embodiments or technical features are combined, the original technical effect will be enhanced.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the specific implementations of the present application are not to be considered limited to these descriptions. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. A curved surface display panel comprises a first substrate, a second substrate and a spacer, wherein the first substrate and the second substrate are arranged in a box-to-box manner, one end of the spacer is fixedly connected with the first substrate, and the other end of the spacer is abutted against the second substrate;
the limiting module comprises a fixing piece and a limiting piece, the fixing piece is arranged on one side, close to the first substrate, of the second substrate, the limiting piece corresponds to the position of the fixing piece and is arranged on the first substrate, and the height of the limiting piece is smaller than that of the spacer; before the curved surface display panel is bent, the limiting part falls into the fixing part, and gaps are formed between the limiting part and two sides of the fixing part; after the curved surface display panel is bent, two sides of the fixing piece are respectively abutted to the limiting pieces.
2. The curved display panel of claim 1, wherein the fixing member comprises a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are disposed on the second substrate opposite to each other and have a gap, one end of the position-limiting member is disposed on the first substrate, and the other end of the position-limiting member falls into the gap, and the width of the gap is greater than the width of the position-limiting member; after the curved surface display panel is bent, the first fixing portion and the second fixing portion are respectively abutted to the limiting piece.
3. The curved display panel according to claim 2, wherein the first fixing portion and the second fixing portion are disposed in a triangular shape after abutting against the position-limiting member, and the inclination angles of the first fixing portion and the second substrate are acute angles, and the angle range of the inclination angle is 30 ° to 60 °.
4. The curved display panel according to claim 2, wherein the first substrate is a color film substrate, the second substrate is an array substrate, and the array substrate is disposed on one side of the light incident surface of the curved display panel; the array substrate comprises a substrate, a passivation layer and a plurality of data lines, the data lines are arranged on the substrate in an array mode, the passivation layer covers the data lines, the passivation layer corresponds to the position of each data line and protrudes towards the direction of the color film substrate to form the first fixing portion and the second fixing portion, and the limiting piece is arranged between the black matrix of the color film substrate and the first fixing portion and the second fixing portion.
5. The curved display panel according to claim 2, wherein the first substrate is an array substrate, the second substrate is a color film substrate, and the color film substrate is disposed on one side of the light incident surface of the curved display panel; the color film substrate comprises a black matrix, a planarization layer and a plurality of color resistors, wherein the black matrix is arranged between two adjacent color resistors, the planarization layer is arranged corresponding to the black matrix and covers a gap formed between the two adjacent color resistors, the planarization layer corresponds to the position of a data line of the array substrate and protrudes towards the direction of the array substrate to form a first fixing part and a second fixing part, and the limiting part is arranged on a passivation layer of the array substrate and corresponds to the position between the first fixing part and the second fixing part.
6. The curved display panel of claim 1, wherein the fixing member is made of an elastic material, a groove is disposed at a position of the fixing member corresponding to the position-limiting member, and the groove is formed by recessing a side of the fixing member facing the first substrate to a side close to the second substrate; the tank bottom width of recess is greater than the width of locating part, curved surface screen panel crooked back, the both sides of recess respectively with the locating part butt.
7. The curved display panel according to any one of claims 1 to 6, wherein two sides of the position-limiting member are provided with position-limiting grooves corresponding to positions contacting with two sides of the fixing member, and after the curved display panel is bent, two sides of the fixing member are engaged with the position-limiting grooves.
8. The curved display panel according to any one of claims 1 to 6, wherein the middle point of the fixing member, the middle point of the data line, and the center of the position-limiting member are coaxially disposed.
9. The curved display panel according to any one of claims 1 to 6, wherein the two sides of the fixing member and the position of the position-limiting member are provided with a chamfer structure, and the chamfer structure is a round chamfer.
10. A display device comprising a backlight module, wherein the display device further comprises the curved display panel of any one of claims 1 to 9, and the backlight module is disposed on one side of the light incident surface of the curved display panel.
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| CN114038329B (en) | 2022-12-23 |
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