TW201932929A - Display panel - Google Patents

Abstract

A display panel includes a first substrate, a second substrate, a seal, a display molecule layer, a first spacing unit, and a second spacing unit. The first and second substrates are opposite arranged and define a display region and a peripheral region. The seal is disposed on the peripheral region and includes support fibers. The display molecule layer is disposed between the first and second substrates and within the display region. The first spacing unit is disposed on the first substrate and in the display region. The second spacing unit is disposed on the first substrate and in the seal. The display panel further includes bumps disposed on the second substrate and arranged corresponding to the first spacing unit, such that a gap is formed between the second spacing unit and the second substrate, in which the gap is equal to or greater than the diameter of the support fibers.

Description

Display panel

The present invention relates to the field of LCD display technology, and more particularly to an LCD display panel and a display device thereof.

A liquid crystal display (LCD) is a device that modulates external light for display by utilizing the electro-optical effect of liquid crystal. A display panel used in an LCD display typically uses two substrates and is filled with a display molecular layer between the two substrates. For example, in a TFT-LCD (TFT, Thin Film Transistor) display panel process, first, a sealing body is applied on the first substrate, and the first substrate and the second substrate are paired to form a display panel substrate, and then The dicing line is diced to form a plurality of substrate units, and the subsequent steps of removing the second substrate, the pressure-welded electronic component, and the injecting display molecular layer are performed on the substrate unit to form a display panel unit.

In the cutting process of the display panel substrate, especially in the cutting process of the Slim Border display panel, it is necessary to cut on the sealant, and the support fiber in the seal (Fiber). The structure causes resistance to the second substrate, destroying the structure of the display panel, and thereby forming a display chromatic aberration (AG mura). In the current narrow bezel design, this kind of display due to the resistance of the supporting fibers must be faced. The problem of color difference.

The embodiment of the invention discloses a display panel, comprising: a first substrate, a second substrate, a sealing body, a display molecular layer, a plurality of first spacing units and a second spacing unit, wherein the second substrate is opposite to the first substrate, and The first substrate and the second substrate together define a display area and a peripheral area. The sealing body is located in the peripheral zone and the sealing body contains a plurality of supporting fibers. The display molecular layer is disposed between the first substrate and the second substrate and is located in the display area. The plurality of first spacer units are disposed on the first substrate and located in the display area. The second spacer unit is disposed on the first substrate and located in the sealed body. The display panel further includes a plurality of protruding structures disposed on the second substrate and respectively corresponding to the first spacing unit, such that there is a second letting gap between the second spacing unit and the second substrate, wherein the second spacing gap Greater than or equal to the diameter of the support fibers.

In the display panel of the embodiment of the invention, there is a gap between the first substrate and the second substrate to accommodate the display molecular layer, and the height of the protruding structure is less than or equal to the interlayer gap. Further, the height of the protruding structure is between 0.1 μm and G-0.5 μm, and G is the width of the interlayer gap.

The display panel of the embodiment of the present invention, wherein the peripheral area includes a first side, a second side, and a third side, and the second side is respectively connected to the first side and the third side, and the first side The side and the second side are respectively located on opposite sides of the display area, wherein the second spacing unit is disposed on the first side. The display panel further includes a circuit board disposed on the second side.

In the display panel of the embodiment of the invention, the second spacer unit has a strip structure when viewed perpendicularly on the first substrate.

The display panel of the embodiment of the present invention further includes a plurality of third spacer units disposed in the first substrate and in the bit seal body, and the third spacer unit is respectively located between the second spacer unit and the first spacer unit. The third spacer unit and the second substrate have a third yield gap, wherein the third yield gap is greater than or equal to the diameter of the support fibers.

In the display panel of the embodiment of the present invention, the first spacing unit and the third spacing unit are respectively in a dot-like structure, and the second spacing unit is in a strip-like structure when viewed perpendicularly on the first substrate.

In the display panel of the embodiment of the invention, the top end of the second spacing unit contacts the sealing body or the at least one supporting fiber.

The embodiment of the invention further relates to a display panel comprising a first substrate, a second substrate, a light shielding layer, a display molecular layer, a sealing body, a first spacing unit and a second spacing unit, wherein the second substrate is disposed opposite to the first substrate, And the first substrate and the second substrate jointly define a display area and a peripheral area. The light shielding layer is disposed on the first substrate, and includes a mesh region and an outer frame region, wherein the mesh region is disposed in the display region, and the outer frame region is disposed in the peripheral region. The display molecular layer is disposed between the first substrate and the second substrate and is located in the display area. The sealing body is located in the peripheral zone and the sealing body contains a plurality of supporting fibers. The plurality of first spacing units are disposed in the mesh region, and the second spacing unit is disposed in the outer frame region and located in the sealed body. The display panel further includes a plurality of protruding structures disposed on the second substrate and respectively corresponding to the first spacing unit, such that there is a second letting gap between the second spacing unit and the second substrate, wherein the second spacing gap Greater than or equal to the diameter of the support fibers.

In the display panel of the embodiment of the present invention, an interlayer gap exists between the first substrate and the second substrate to accommodate the display molecular layer, and the height of the protruding structure is less than or equal to the interlayer gap. Further, the height of the protruding structure is between 0.1 μm and G-0.5 μm.

The display panel of the embodiment of the present invention, wherein the peripheral area includes a first side, a second side, and a third side, and the second side is respectively connected to the first side and the third side, and the first side The side and the second side are respectively located on opposite sides of the display area, wherein the second spacing unit is disposed on the first side. The display panel further includes a circuit board disposed on the second side.

In the display panel of the embodiment of the invention, the second spacing unit has a strip structure when viewed perpendicularly on the first substrate.

The display panel of the embodiment of the invention further includes a plurality of third spacing units disposed in the sealing body. The third spacer unit and the second substrate have a third yield gap, wherein the third yield gap is greater than or equal to the diameter of the support fibers.

In the display panel of the embodiment of the present invention, the first spacing unit and the third spacing unit are respectively in a dot-like structure, and the second spacing unit is in a strip-like structure when viewed perpendicularly on the first substrate.

The embodiment of the invention further relates to a display panel comprising a first substrate, a second substrate, a sealing body, a display molecular layer, a first spacing unit and a second spacing unit, wherein the second substrate is disposed opposite to the first substrate, and the first substrate The display area and the peripheral area are defined together with the second substrate. The sealing body is located in the peripheral zone and the sealing body contains a plurality of supporting fibers. The display molecular layer is disposed between the first substrate and the second substrate, and is located at the display Show area. The plurality of first spacer units are disposed on the first substrate and located in the display area. The second spacer unit is disposed on the first substrate and located in the sealed body. The display panel further includes a plurality of protruding structures disposed on the second substrate, and the positions respectively correspond to the first spacing unit, and the height of the protruding structure is greater than or equal to the diameter of the supporting fibers.

The display panel of the embodiment of the present invention, wherein the peripheral area includes a first side, a second side, and a third side, and the second side is respectively connected to the first side and the third side, and the first side The side and the second side are respectively located on opposite sides of the display area, wherein the second spacing unit is disposed on the first side. The display panel further includes a circuit board disposed on the second side.

In the display panel of the embodiment of the invention, the second spacing unit has a strip structure when viewed perpendicularly on the first substrate.

The display panel of the embodiment of the invention further includes a light shielding layer and a color filter layer, the light shielding layer is disposed on the first substrate, and the light shielding layer comprises a mesh region and an outer frame region, wherein the mesh region is located in the display region, and the outer frame The area is located in the surrounding area. The color filter layer is disposed on the first substrate and located in the mesh region. Wherein, the first spacing unit is disposed in the mesh region, and the second spacing unit is disposed in the outer frame region.

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.

100‧‧‧First substrate

200‧‧‧second substrate

300‧‧‧ Sealing body

400‧‧‧Display molecular layer

600‧‧‧ boards

700‧‧‧Color filter structure

800‧‧‧ display panel

210‧‧‧ protruding structure

310‧‧‧Support fiber

501‧‧‧Lighting layer

502‧‧ ‧ color resist layer

503‧‧‧ Coverage

510‧‧‧First interval unit

520‧‧‧Second interval unit

530‧‧‧ third interval unit

514‧‧‧Main support

524‧‧‧ cutting support

534‧‧‧Auxiliary support

A1‧‧‧ display area

A2‧‧‧ surrounding area

A3‧‧‧External lead welding zone

A4‧‧‧ mesh area

A5‧‧‧Outer frame area

P‧‧‧ cutting line

G‧‧‧Interlayer gap

H ₁ , H ₂ , H ₃ ‧‧‧ spacing unit height

H‧‧‧ protruding structure height

d‧‧‧Support fiber diameter

XX'‧‧‧ profile

B1, B2, B3, B4‧‧‧ first, second, third and fourth sides

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. 1 is a schematic partial structural view of a display panel XX' according to a first embodiment of the present invention.

2A, 2B, and 2C are schematic views of a support fiber according to a first embodiment of the present invention.

FIG. 3 is a schematic diagram showing a division of a peripheral area of a display panel according to a first embodiment of the present invention.

4 is a top plan view showing a partial structure of a display panel according to a second embodiment of the present invention.

FIG. 5 is a schematic partial structural view of a display panel XX′ according to a second embodiment of the present invention.

FIG. 6 is a top plan view showing a partial structure of a display panel according to a third embodiment of the present invention.

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims. Numerous specific details are set forth in the description below in order to provide a thorough understanding of the invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar modifications without departing from the scope of the invention, and thus the invention is not limited by the specific embodiments disclosed below.

In the embodiment of the present invention, the LCD display panel 800 mainly includes a first substrate 100 (such as a CF substrate, CF Substrate) and a second substrate 200 (such as a TFT). a substrate, a TFT, and a sealing body 300; wherein the sealing body 300 includes a supporting fiber 301 for providing support and enhancing the adhesion between the layers of the film, and the material may be a silicone ball. (silica ball), glass fiber, gold (Au), cerium oxide (Silica), etc., but the invention is not limited thereto. The first substrate 100 and the second substrate 200 are disposed opposite to each other, and the first substrate 100 and the second substrate 200 may jointly define the display area A1 and the peripheral area A2. The sealing body 300 is disposed at the position of the peripheral area A2 of the first substrate 100, and the display molecular layer 400 is disposed at the position of the display area A1. In order to maintain the interlayer gap between the first substrate 100 and the second substrate 200 to accommodate the display molecular layer 400, a spacer unit is further disposed on the first substrate 100 such that the width of the interlayer gap is G. When the display panel 800 is cut along the cutting line P in the vertical projection range of the sealing body 300, the supporting fibers 310 in the sealing body 300 form a resistance to the cutting blade, causing damage to the second substrate 200, thereby causing display chromatic aberration (AG). Mura).

The embodiment of the present invention can accommodate the supporting fibers 310 between the spacer unit located in the sealing body 300 and the second substrate 200 by providing the protruding structure 210 on the second substrate 200 to change the thickness of the spacing unit at different positions. The clearance is allowed to avoid damage to the display panel structure due to the resistance of the support fibers 310 when cutting over the sealing body 300.

1 is a schematic partial structural view of a display panel XX' according to a first embodiment of the present invention. As shown in FIG. 1 , in the embodiment, the first substrate 100 is provided with a first spacing unit 510 corresponding to the position of the display area A1 , wherein the first spacing unit 510 includes a light shielding layer 501 , a color resist layer 502 , and a cover layer 503 . And the Lord A first spacer 100 is disposed on the first substrate 100 at a position corresponding to the peripheral region A2, wherein the second spacer unit 520 includes a light shielding layer 501, a color resist layer 502, a cover layer 503, and a cutting support (SPS) 524. Referring to FIG. 1, in the position of the display area A1, the second substrate 200 is provided with a bump 210, and the protruding structure 210 corresponds to the first spacing unit 510, in other words, the protruding structure 210 and the first The spacer unit 510 has an overlapping area in the vertical projection direction.

In the present embodiment, the height H _{1 of the} first spacing unit 510 is equal to the height H _{2 of the} second spacing unit 520, and the height h of the protruding structure 210 is greater than or equal to the diameter d of the supporting fiber 310. As such, the interlayer gap G between the first substrate 100 and the second substrate 200 is the sum of the heights of the first spacer unit 510 and the protruding structure 210, that is, G=H ₁ +h, so that the second spacer unit 510 and The second substrate 200 has a yield gap to accommodate the support fibers 310. For example, when the diameter d of the support fiber 310 in the sealing body 300 is 0.6 μm, the height h of the protruding structure 210 may be set. 0.6 μm.

Specifically, in the embodiment, the first spacer unit 510 and the second spacer unit 520 are combined in the same layer. In an optimal case, the same mask can be formed on the first substrate. 100, the main support body 514 and the cutting support body 524 are the same material, and the heights of the main support body 514 and the cutting support body 524 are substantially the same. When the protruding structure 210 is disposed, the first substrate 100 and the second substrate 200 can be maintained. While the interlayer gap is G, the height of the main support body 514 is reduced, and at the same time, the height of the cutting support body 524 is correspondingly reduced, so that the gap between the second spacer unit 520 and the second substrate 200 is increased. To accommodate the support fibers 310. In some embodiments, the height h of the protruding structure 210 is set to be smaller than between the layers. Gap G. Further, the height h of the protruding structure 210 is between 0.1 μm and G-0.5 μm, and when the interlayer gap G=3.3 μm, the height h of the protruding structure 210 is between 0.1 μm and 2.8 μm, but the present invention Not limited to this.

2A, 2B, and 2C are schematic views of a support fiber according to a first embodiment of the present invention. As shown in FIG. 2A, when the support fiber 310 is spherical, the spherical diameter is the diameter d of the support fiber 310; as shown in FIG. 2B, when the support fiber 310 is an ellipsoidal shape, it is supported by an ellipsoidal equatorial diameter. The diameter d of the fiber 310; as shown in Fig. 2C, when the support fiber 310 is cylindrical, the cylindrical cross-sectional diameter is the diameter d of the support fiber 310.

FIG. 3 is a schematic diagram showing a division of a peripheral area of a display panel according to a first embodiment of the present invention. As shown in FIG. 3, the display panel 800 is rectangular, wherein the peripheral area A2 can be divided into a first side B1, a second side B2, a third side B3 and a fourth side B4, wherein the first side B1 and The third side B3 is located on opposite sides of the second side B2, and the fourth side B4 is located on the opposite side of the second side B2. Specifically, the second side B2 corresponds to the external lead bonding area A3 of the second substrate 200. Therefore, the circuit board 600 of the display panel 800 is disposed on the second side B2. In the present embodiment, the sealing body 300 is correspondingly disposed on the first side B1, the second side B2, the third side B3 and the fourth side B4, and the sealing body 300 is a closed structure as seen from FIG. . Specifically, in the cutting process of the display panel 800, particularly the narrow bezel display panel, the second spacing unit 520 located on both sides is a cutting area of the cutting process, and the cutting line is within the vertical projection range of the sealing body 300, so A gap between the two spacer units 520 and the second substrate 200 is sufficient to accommodate the support fibers 310 to avoid Free display of chromatic aberration problems. In some embodiments, the display panel 800 may also be a non-rectangular shape. For example, the display panel 800 may be a triangle, a polygon, or the like, and the peripheral area A2 may have different side divisions according to different shapes of the display panel. The second spacing unit 520 is disposed on the other side than the second side B2. Referring again to Figure 3, the embodiment shown in Figure 1 is a partial structural view of the XX' section.

4 is a top plan view showing a partial structure of a display panel according to a second embodiment of the present invention, and FIG. 5 is a schematic partial structural view of a display panel XX' according to a second embodiment of the present invention. As shown in FIG. 4 and FIG. 5, in the embodiment, the first embodiment is continued, and the first substrate 100 corresponds to the peripheral area A2 of the second substrate 200, and is located at the first spacing unit 510 and the second spacing unit. Between 520, a third spacing unit 530 is disposed, including a light shielding layer 501, a color resist layer 502, a cover layer 503, and an auxiliary support (Seal PS) 534, wherein the height H _{3 of the} third spacing unit 530 and the first spacing unit 510 The height H _{1 is} equal. In other words, in the present embodiment, the first spacer unit 510 and the third spacer unit 530 are combined in the same layer. In the best case, the same mask can be formed on the first substrate 100. The main support body 514 and the auxiliary support body 534 are the same material, and the heights of the main support body 514 and the auxiliary support body 534 are substantially the same. In this embodiment, the third spacing unit 530 is located in the sealing body 310 in the other side than the second side B2, and the third spacing unit 530 is regarded as a point on the vertical projection falling on the plane of the first substrate 100. shape. In detail, the first spacing unit 510 and the third spacing unit 530 respectively see a dot shape on a vertical projection falling on the plane of the first substrate 100, and the second spacing unit 520 is elongated, as shown in FIG. Show.

FIG. 6 is a top plan view showing a partial structure of a display panel according to a third embodiment of the present invention. As shown in FIG. 6, in the embodiment, the light shielding layer 501 of the first substrate 100 can be divided into a mesh area A4 and an outer frame area A5, wherein the mesh area A4 is disposed in the display area A1, and the outer frame area A5 is disposed on Peripheral area A2. The first substrate 100 further includes a plurality of color filter (CF) structures 700, and the color filter structure 700 is located in the mesh region A4. In the present embodiment, the first spacing unit 510 is disposed at the position of the mesh area A4 of the first substrate 100; and the second spacing unit 520 is disposed at the position of the outer frame area A5. In the embodiment, a protruding structure 210 (not shown in FIG. 6 ) is disposed on the second substrate 200 corresponding to the first spacing unit 510 , and the height h of the protruding structure 210 is greater than or equal to the diameter d of the supporting fiber, so that the first The two spacer units 510 and the second substrate 200 have a yield gap to accommodate the support fibers 310 to solve the chromatic aberration problem of the narrow bezel structure.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

Claims (22)

A display panel includes: a first substrate; a second substrate disposed opposite the first substrate; and the first substrate and the second substrate together define a display area and a peripheral area; a sealing body located at the periphery And a plurality of supporting fibers are disposed in the sealing body; a display molecular layer is disposed between the first substrate and the second substrate and located in the display area; and a plurality of first spacing units are disposed on the first substrate And located in the display area; a second spacing unit disposed on the first substrate and located in the sealing body; and a plurality of protruding structures disposed on the second substrate and corresponding to the first spacing units So that there is a second yield gap between the second spacer unit and the second substrate, wherein the second yield gap is greater than or equal to the diameter of the support fibers. The display panel of claim 1, wherein a gap is formed between the first substrate and the second substrate to accommodate the display molecular layer, and the height of the protruding structures is less than or equal to the interlayer gap. The display panel of claim 2, wherein the height of the protruding structures is between 0.1 μm and G-0.5 μm, and G is the width of the interlayer gap. The display panel of claim 1, wherein the peripheral area comprises a first side, a second side and a third side, the second side The first side edge and the second side edge are respectively located on opposite sides of the display area, wherein the second spacing unit is disposed on the first side. side. The display panel of claim 4, further comprising a circuit board disposed on the second side. The display panel of claim 1, wherein the second spacer unit has a strip structure when viewed perpendicularly on the first substrate. The display panel of claim 1, further comprising a plurality of third spacer units disposed on the first substrate and located in the sealed body, wherein the third spacer units are respectively located in the second spacer unit Between the first spacer units; the third spacer unit and the second substrate have a third yield gap, wherein the third yield gap is greater than or equal to the diameter of the support fibers. The display panel of claim 7, wherein the first spacer unit and the third spacer units are respectively in a dot structure, and the second spacer unit is viewed from a vertical projection on the first substrate. It is a strip structure. The display panel of claim 1, wherein a top end of the second spacer unit contacts the sealing body or at least one of the support fibers. A display panel includes: a first substrate; a second substrate, the second substrate is disposed opposite to the first substrate, and the first substrate and the second substrate together define a display area and a peripheral area; a light shielding layer disposed on the first substrate, and comprising a mesh region and an outer frame region, wherein the mesh region is disposed in the display region, the outer frame region is disposed in the peripheral region; and a display molecular layer is disposed Between the first substrate and the second substrate, and located in the display area; a sealing body located in the peripheral area, and the sealing body comprises a plurality of supporting fibers; a plurality of first spacing units disposed on the mesh a second spacer unit disposed in the outer frame region and located in the sealing body; and a plurality of protruding structures disposed on the second substrate and respectively corresponding to the first spacing units, such that the first spacing unit There is a second yield gap between the two spacer units and the second substrate, wherein the second yield gap is greater than or equal to the diameter of the support fibers. The display panel of claim 10, wherein a gap is formed between the first substrate and the second substrate to accommodate the display molecular layer, and the height of the protruding structures is less than or equal to the interlayer gap. The display panel of claim 11, wherein the height of the protruding structures is between 0.1 μm and G-0.5 μm, and G is the width of the interlayer gap. The display panel of claim 10, wherein the peripheral area comprises a first side, a second side and a third side, the second side and the first side, respectively The third side is connected, and the first side and the second side The sides are respectively located on opposite sides of the display area, wherein the second spacing unit is disposed on the first side. The display panel of claim 13, further comprising a circuit board disposed on the second side. The display panel of claim 10, wherein the second spacer unit has a strip structure when viewed perpendicularly on the first substrate. The display panel of claim 10, further comprising a plurality of third spacer units disposed in the sealing body, wherein the third spacer unit and the second substrate have a third yield gap, wherein the The third yield gap is greater than or equal to the diameter of the support fibers. The display panel of claim 16, wherein the first spacer unit and the third spacer units are respectively in a dot structure, and the second spacer unit is viewed from a vertical projection on the first substrate. It is a strip structure. A display panel includes: a first substrate; a second substrate disposed opposite the first substrate; and the first substrate and the second substrate together define a display area and a peripheral area; a sealing body located at the periphery And a plurality of supporting fibers are disposed in the sealing body; a display molecular layer is disposed between the first substrate and the second substrate and located in the display area; and a plurality of first spacing units are disposed on the first substrate And located in the display area; a second spacer unit is disposed on the first substrate and located in the sealing body; and a plurality of protruding structures are disposed on the second substrate, and the positions respectively correspond to the first spacing units, and the protruding structures are The height is greater than or equal to the diameter of the support fibers. The display panel of claim 18, wherein the peripheral area comprises a first side, a second side and a third side, the second side and the first side, respectively The third side is connected, and the first side and the second side are respectively located on opposite sides of the display area, wherein the second spacing unit is disposed on the first side. The display panel of claim 19, further comprising a circuit board disposed on the second side. The display panel of claim 18, wherein the second spacer unit has a strip structure when viewed perpendicularly on the first substrate. The display panel of claim 18, further comprising: a light shielding layer disposed on the first substrate, wherein the light shielding layer comprises a mesh region and an outer frame region, wherein the mesh region is located in the display region The outer frame area is located in the peripheral area; a color filter layer is disposed on the first substrate and located in the mesh area; wherein the first spacing units are disposed in the mesh area, and the second The spacing unit is disposed in the outer frame area.