DISPLAY PANEL HAVING A NON-RECTANGULAR DISPLAY REGION AND A PERIPHERAL REGION
A display panel including a first substrate, a plurality of pixel units disposed on the first substrate and a shielding layer is provided. Each pixel unit includes a thin-film transistor, a first signal line and a second signal line electrically connected to the thin-film transistor. The shielding layer includes a first portion located on a peripheral region and a second portion located on a non-rectangular display region. An inner contour of an orthogonal projection of the first portion of the shielding layer on the first substrate includes a plurality of first line segments and a plurality of second line segments. The first line segments are parallel to orthogonal projections of the first signal lines on the first substrate. The second line segments are respectively parallel to orthogonal projections of the second signal lines on the first substrate.
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This application claims the priority benefit of China patent application serial no. 201610846173.4, filed on Sep. 23, 2016. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of the specification.
BACKGROUND OF THE INVENTION Field of the InventionThe invention relates to a photoelectric device, and particularly related to a display panel.
Description of Related ArtDisplay panel is generally applied in electronic products (for example, mobile phones, computers, etc.), and a display region of the display panel generally presents a rectangular shape. In recent years, with the development of application of the display panel, the rectangular display region of the display panel cannot satisfy various application demands. For example, when the display panel is applied to a wearable application (for example, a watch, etc.), the rectangular display region may limit an appearance of a wearable display device, and the display region of the display panel is probably required to be a non-rectangular shape, for example, a circular shape, etc. When the display panel is applied to a vehicle dashboard, the display region of the display panel is probably required to be the non-rectangular shape, for example, a semicircle, a bow shape, etc. Referring to
The invention is directed to a display panel, which is easy to realize a free-form non-rectangular display region.
The invention provides a display panel including a first substrate, a plurality of pixel units disposed on the first substrate and a shielding layer. Each of the pixel units includes a thin-film transistor, a first signal line and a second signal line electrically connected to the thin-film transistor. The shielding layer includes a first portion located on a peripheral region and a second portion located on a non-rectangular display region. An inner contour of an orthogonal projection of the first portion of the shielding layer on the first substrate includes a plurality of first line segments and a plurality of second line segments. The first line segments are respectively parallel to orthogonal projections of the first signal lines on the first substrate. The second line segments are respectively parallel to orthogonal projections of the second signal lines on the first substrate.
The invention provides a display panel including a first substrate, a plurality of pixel units and a shielding layer. The display panel has a non-rectangular display region and a peripheral region outside the non-rectangular display region. The pixel units disposed on the first substrate and located on the non-rectangular display region. Each of the pixel units includes a thin-film transistor, a first signal line and a second signal line electrically connected to the thin-film transistor. An extending direction of the first signal line is different with an extending direction of the second signal line. The shielding layer is located on the peripheral region. The inner contour of an orthogonal projection of the shielding layer on the first substrate includes a plurality of first line segments and a plurality of second line segments. The first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate. The second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate.
The invention provides a display panel including a first substrate, a plurality of pixel units and a shielding layer. The display panel has a non-rectangular display region and a peripheral region outside the non-rectangular display region. The pixel units disposed on the first substrate and located on the non-rectangular display region. Each of the pixel units includes a thin-film transistor, a first signal line and a second signal line electrically connected to the thin-film transistor. An extending direction of the first signal line is different with an extending direction of the second signal line. A part of a contour of an orthogonal projection of the shielding layer on the first substrate extends along outer edges of the pixel units located at the edge of the non-rectangular display region, and includes a plurality of first line segments and a plurality of second line segments. The first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate, and the second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate.
In an embodiment of the invention, the display panel further includes a second substrate. The second substrate is opposite to the first substrate. The shielding layer is disposed on the second substrate.
In an embodiment of the invention, one of the first signal line and the second signal line is a gate line, and the other one of the first signal line and the second signal line is a data line.
In an embodiment of the invention, an included angle between an orthogonal projection of the first signal line on the first substrate and an orthogonal projection of the second signal line on the first substrate is θ, and θ=90°.
In an embodiment of the invention, an included angle between an orthogonal projection of the first signal line on the first substrate and an orthogonal projection of the second signal line on the first substrate is θ, and 75°≦θ≦105°, θ≠90°.
In an embodiment of the invention, the aforementioned θ=83° or 97°.
In an embodiment of the invention, the pixel units are arranged into a plurality of pixel rows and a plurality of pixel columns, and an included angle between two orthogonal projections of the first signal line and the second signal line of one pixel unit on the first substrate is (90°−α), and an included angle between two orthogonal projections of a first signal line and a second signal line of another pixel unit on the first substrate is (90°+α), the another pixel unit adjacent to the pixel unit is located in a same pixel column with the pixel unit, and 0°<α≦15°.
In an embodiment of the invention, the aforementioned α=7°.
In an embodiment of the invention, two of the second line segments are respectively parallel to orthogonal projections of two second signal lines of two pixel units on the first substrate, and the two pixel units are located in a same pixel column and located adjacent to each other.
In an embodiment of the invention, the second signal line of each of the pixel units includes a first portion and a second portion extending towards different directions. An included angle between an orthogonal projection of the first portion of the second signal line on the first substrate and an orthogonal projection of the second portion of the second signal line on the first substrate is (180°−2β) or (180°+2β), and 0°<β≦15°.
In an embodiment of the invention, the aforementioned β=7°.
In an embodiment of the invention, the pixel units are arranged into a plurality of pixel rows and a plurality of pixel columns, an included angle of one pixel unit is (180°−2β), an include angle of another pixel unit that located in a same pixel column with the pixel unit and located adjacent to the pixel unit is (180°+2β).
In an embodiment of the invention, one of the second line segments is parallel to orthogonal projections of the first portion of the second signal line and the second portion of the second signal line on the first substrate.
In an embodiment of the invention, the first portion of the second signal line is connected to the second portion of the second signal line to form the V-shape second signal line.
In an embodiment of the invention, the pixel units are arranged into a plurality of pixel rows and a plurality of pixel columns, an area of each of the pixel units of each pixel row is the same, and an area of each of the pixel units of each pixel column is the same.
In an embodiment of the invention, each of the pixel units further includes a pixel electrode electrically connected to the thin-film transistor and a common electrode overlapped to the pixel electrode. One of the pixel electrode and the common electrode has a plurality of slits, and the slits expose the other one of the pixel electrode and the common electrode.
In an embodiment of the invention, the second portion of the shielding layer has a plurality of openings respectively corresponding to the plurality of pixel units.
In an embodiment of the invention, the second portion of the shielding layer covers at least one of the first signal line, the second signal line and the thin-film transistor of each of the pixel units.
In an embodiment of the invention, an edge of one of the openings is parallel to orthogonal projections of the first signal line and the second signal line of the corresponding pixel unit on the first substrate.
In an embodiment, one of the openings has a first opening edge, a second opening edge, a third opening edge and a fourth opening edge. The first opening edge and the second opening edge are disposed opposite to each other. The third opening edge and the fourth opening edge are disposed opposite to each other. The third opening edge is connected between the first opening edge and the second opening edge. The fourth opening edge is connected between the first opening edge and the second opening edge. At least one of the third opening edge and the fourth opening edge includes a first portion and a second portion. An extending direction of the first portion of the at least one of the third opening edge and the fourth opening edge and an extending direction of the second portion of the at least one of the third opening edge and the fourth opening edge are different with each other. An orthogonal projection of the first portion of the at least one of the third opening edge and the fourth opening edge on the first substrate is parallel to an orthogonal projection of a corresponding first signal line on the first substrate.
In an embodiment of the invention, the third opening edge and the fourth opening edge respectively include two first portions and two second portions. A distance between a second portion of the third opening edge and a second portion of the fourth opening edge is greater than a distance between a first portion of the third opening edge and a first portion of the fourth opening edge. The distance between the second portion of the third opening edge and the second portion of the fourth opening edge and the distance between the first portion of the third opening edge and the first portion of the fourth opening edge are calculated along a direction parallel to the extending direction of the second signal line.
In an embodiment of the invention, one of the openings includes a first opening edge, a second opening edge, a third opening edge and a fourth opening edge, the first opening edge is opposite to the second opening edge, the third opening edge is opposite to the fourth opening edge, the third opening edge is connected between the first opening edge and the second opening edge, the fourth opening edge is connected between the first opening edge and the second opening edge, at least one of the first opening edge and the second opening edge comprises a first portion and a second portion, an extending direction of the first portion of the at least one of the first opening edge and the second opening edge and an extending direction of the second portion of the at least one of the first opening edge and the second opening edge are different with each other, an orthogonal projection of the first portion of the at least one of the first opening edge and the second opening edge on the first substrate is parallel to an orthogonal projection of the second signal line on the first substrate, the second portion of the at least one of the first opening edge and the second opening edge and one of the third opening edge and the fourth opening edge are connected to form a protruding angle, and the protruding angle protrudes towards a direction away from a center of the opening.
According to the above descriptions, in the display panel of an embodiment of the invention, the first portion of the shielding layer is used to define the non-rectangular display region. Particularly, the inner contour of the first portion of the shielding layer is parallel to the first signal line and the second signal line of the pixel unit, and the inner contour of the first portion of the shielding layer substantially presents a serrated edge with a tiny tooth pitch. In this way, regardless of a shape of the non-rectangular display region to be realized, by using the aforementioned design principle, the free-form non-rectangular display region can be easily and quickly designed, so as to realize display panel with the non-rectangular display region.
In order to make the aforementioned and other features and advantages of the invention comprehensible, several exemplary embodiments accompanied with figures are described in detail below.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
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It should be noted that the first portion 151 of the shielding layer 150 is used to define the non-rectangular display region 100a of the display panel 100, and the inner contour 151C-1 of the orthogonal projection of the first portion 151 of the shielding layer 150 on the first substrate 110 includes a plurality of the first line segments 151a and the second line segments 151b respectively parallel to the orthogonal projections of the first signal line GL and the second signal line of the pixel unit 140 on the first substrate 110, so that the inner contour of the first portion 151 of the shielding layer 150 substantially presents a serrated edge with a tiny tooth pitch (as shown in
In the present embodiment, the shielding layer 150 includes a first portion 151 located on the peripheral region 100b and a second portion 152 located on the non-rectangular display region 100a, the first portion 151 of the shielding layer 150 is used to shield the peripheral region 100b and define the non-rectangular display region 100a, and the second portion 152 of the shielding layer 150 may cover at least one of the first signal line GL, the second signal line DL and the thin-film transistor T of each of the pixel units 140 (i.e. the second portion 152 of the shielding layer 150 shield a part of the non-rectangular display region 100a). However, the invention is not limited thereto, and in another embodiment, the peripheral region 100b and a part of the non-rectangular display region 100a may be shielded by two different shielding layers respectively, an inner contour of an orthogonal projection of the shielding layer located on the peripheral region 100b on the first substrate comprises a plurality of first line segments and a plurality of second line segments, the first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate, and the second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate. In other embodiment, if each of the pixel units 140 is not partly covered by a shielding layer, and a shielding layer is only located on the peripheral region 100b to shield the peripheral region 100b and define the non-rectangular display region 100a, an inner contour of an orthogonal projection of the shielding layer on the first substrate comprises a plurality of first line segments and a plurality of second line segments, the first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate, and the second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate.
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For example, in the present embodiment, viewing from the direction perpendicular to the first substrate, the third opening edge 152cC-3 includes the first portion P1 parallel to the first signal line GL and the second portion P2 not parallel to the first signal line GL. The fourth opening edge 152cC-4 includes the first portion P1 parallel to the first signal line GL and the second portion P2 not parallel to the first signal line GL. A distance D2 between the second portion P2 of the third opening edge 152cC-3 and the second portion P2 of the fourth opening edge 152cC-4 is greater than a distance D1 between the first portion P1 of the third opening edge 152cC-3 and the first portion P1 of the fourth opening edge 152cC-4. Viewing from the direction perpendicular to the first substrate 110, the distance D1 and the distance D2 are calculated along a direction parallel to the extending direction of the second signal line DL. The second portion P2 of the third opening edge 152cC-3 is connected between the first portion P1 of the third opening edge 152cC-3 and the first opening edge 152cC-1, and may be a V-shape fold line recessed toward an inner of the second portion 152 of the shielding layer 150. The second portion P2 of the fourth opening edge 152cC-4 is connected between the first portion P1 of the fourth opening edge 152cC-4 and the first opening edge 152cC-1, and can be a V-shape polyline recessed into the second portion 152 of the shielding layer 150.
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Particularly, at least one of the first opening edge 152cD-1 and the second opening edge 152cD-2 includes a first portion P1 and a second portion P2 having an extending direction different with that of the first portion P1. Viewing from the direction perpendicular to the first substrate 110, the third opening edge 152cD-3 and the fourth opening edge 152cD-4 may be parallel to the first signal line GL. The first portion P1 of at least one of the first opening edge 152cD-1 and the second opening edge 152cD-2 is parallel to the second signal line DL. In detail, in the present embodiment, the first opening edge 152cD-1 includes one first portion P1 and two second portions P2, wherein the two second portions P2 are located at two sides of the first portion P1. One of the second portions P2 of the first opening edge 152cD-1 is connected between the first portion P1 of the first opening edge 152cD-1 and the third opening edge 152cD-3. The other one of the second portions P2 of the first opening edge 152cD-1 is connected between the first portion P1 of the first opening edge 152cD-1 and the fourth opening edge 152cD-4. The second opening edge 152cD-2 includes one first portion P1 and two second portions P2, wherein the two second portions P2 are located at two sides of the first portion P1. One of the second portions P2 of the second opening edge 152cD-2 is connected between the first portion P1 of the second opening edge 152cD-2 and the third opening edge 152cD-3. The other one of the second portions P2 of the second opening edge 152cD-2 is connected between the first portion P1 of the second opening edge 152cD-2 and the fourth opening edge 152cD-4.
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In the present embodiment, by forming the protruding angle PA at a corner of the opening 152cD protruding towards the direction away from the center of the opening 152cD, the aperture ratio of the pixel unit 140 is increased. It should be noted that in the embodiment of
In summary, in the display panel of the invention, the first portion of the shielding layer is used to define the non-rectangular display region. Particularly, the inner contour of the first portion of the shielding layer is parallel to the first signal line and the second signal line of the pixel unit, and the inner contour of the first portion of the shielding layer substantially presents a serrated edge with a tiny tooth pitch. In this way, regardless of the shape of the non-rectangular display region to be realized, by using the aforementioned design principle, any free-form non-rectangular display region can be easily and quickly designed, so as to realize the display panel with the non-rectangular display region.
It will be apparent to those skilled in the art that various modifications and variations can be made to the structure of the invention without departing from the scope or spirit of the invention. In view of the foregoing, it is intended that the invention cover modifications and variations of this invention provided they fall within the scope of the following claims and their equivalents.
Claims
1. A display panel, having a non-rectangular display region and a peripheral region outside the non-rectangular display region, the display panel comprising:
- a first substrate;
- a plurality of pixel units, disposed on the first substrate, and located on the non-rectangular display region, and each of the pixel units comprising: a thin-film transistor, a first signal line and a second signal line, electrically connected to the thin-film transistor, wherein an extending direction of the first signal line is different with an extending direction of the second signal line; and
- a shielding layer, comprising: a first portion, located on the peripheral region; and a second portion, located on the non-rectangular display region, wherein an inner contour of an orthogonal projection of the first portion of the shielding layer on the first substrate comprises a plurality of first line segments and a plurality of second line segments, the first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate, and the second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate.
2. The display panel as claimed in claim 1, further comprising:
- a second substrate, disposed opposite to the first substrate, wherein the shielding layer is disposed on the second substrate.
3. The display panel as claimed in claim 1, wherein one of the first signal line and the second signal line is a gate line, and the other one of the first signal line and the second signal line is a data line.
4. The display panel as claimed in claim 1, wherein an included angle between an orthogonal projection of the first signal line on the first substrate and an orthogonal projection of the second signal line on the first substrate is θ, and θ=90°.
5. The display panel as claimed in claim 1, wherein an included angle between an orthogonal projection of the first signal line on the first substrate and an orthogonal projection of the second signal line on the first substrate is θ, and 75°≦θ≦105°, θ≠90°.
6. The display panel as claimed in claim 5, wherein the pixel units are arranged into a plurality of pixel rows and a plurality of pixel columns, and an included angle between two orthogonal projections of the first signal line and the second signal line of one pixel unit on the first substrate is (90°−α), and an included angle between two orthogonal projections of a first signal line and a second signal line of another pixel unit on the first substrate is (90°+α), the another pixel unit adjacent to the pixel unit is located in a same pixel column with the pixel unit, and 0°<α≦15°.
7. The display panel as claimed in claim 6, wherein α=7°.
8. The display panel as claimed in claim 6, wherein two of the second line segments are respectively parallel to orthogonal projections of two second signal lines of two pixel units on the first substrate, and the two pixel units are located in a same pixel column and located adjacent to each other.
9. The display panel as claimed in claim 5, wherein the second signal line of each of the pixel units comprises a first portion and a second portion extending towards different directions, an included angle between an orthogonal projection of the first portion of the second signal line on the first substrate and an orthogonal projection of the second portion of the second signal line on the first substrate is (180°−2β) or (180°+2β), and 0°<β≦15°.
10. The display panel as claimed in claim 9, wherein the pixel units are arranged into a plurality of pixel rows and a plurality of pixel columns, an included angle of one pixel unit is (180°−2β), an include angle of another pixel unit located in a same pixel column with the pixel unit and located adjacent to the pixel unit is (180°+2β).
11. The display panel as claimed in claim 9, wherein one of the second line segments is parallel to orthogonal projections of the first portion of the second signal line and the second portion of the second signal line on the first substrate.
12. The display panel as claimed in claim 1, wherein the second portion of the shielding layer has a plurality of openings respectively corresponding to the plurality of pixel units.
13. The display panel as claimed in claim 1, wherein the second portion of the shielding layer covers at least one of the first signal line, the second signal line and the thin-film transistor of each of the pixel units.
14. The display panel as claimed in claim 12, wherein orthogonal projections of edges of one of the openings on the first substrate are parallel to orthogonal projections of a first signal line and a second signal line of a corresponding pixel unit on the first substrate.
15. The display panel as claimed in claim 12, wherein one of the openings has a first opening edge, a second opening edge, a third opening edge and a fourth opening edge, the first opening edge and the second opening edge are disposed opposite to each other, the third opening edge and the fourth opening edge are disposed opposite to each other, the third opening edge is connected between the first opening edge and the second opening edge, the fourth opening edge is connected between the first opening edge and the second opening edge, at least one of the third opening edge and the fourth opening edge comprises a first portion and a second portion, an extending direction of the first portion of the at least one of the third opening edge and the fourth opening edge and an extending direction of the second portion of the at least one of the third opening edge and the fourth opening edge are different with each other, and an orthogonal projection of the first portion of the at least one of the third opening edge and the fourth opening edge on the first substrate is parallel to an orthogonal projection of a corresponding first signal line on the first substrate.
16. The display panel as claimed in claim 12, wherein one of the openings comprises a first opening edge, a second opening edge, a third opening edge and a fourth opening edge, the first opening edge is opposite to the second opening edge, the third opening edge is opposite to the fourth opening edge, the third opening edge is connected between the first opening edge and the second opening edge, the fourth opening edge is connected between the first opening edge and the second opening edge, at least one of the first opening edge and the second opening edge comprises a first portion and a second portion, an extending direction of the first portion of the at least one of the first opening edge and the second opening edge and an extending direction of the second portion of the at least one of the first opening edge and the second opening edge are different with each other, an orthogonal projection of the first portion of the at least one of the first opening edge and the second opening edge on the first substrate is parallel to an orthogonal projection of the second signal line on the first substrate, the second portion of the at least one of the first opening edge and the second opening edge and one of the third opening edge and the fourth opening edge are connected to form a protruding angle, and the protruding angle protrudes towards a direction away from a center of the opening.
17. A display panel, having a non-rectangular display region and a peripheral region outside the non-rectangular display region, the display panel comprising: wherein an inner contour of an orthogonal projection of the shielding layer on the first substrate comprises a plurality of first line segments and a plurality of second line segments, the first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate, and the second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate.
- a first substrate;
- a plurality of pixel units, disposed on the first substrate, and located on the non-rectangular display region, and each of the pixel units comprising: a thin-film transistor, a first signal line and a second signal line, electrically connected to the thin-film transistor, wherein an extending direction of the first signal line is different with an extending direction of the second signal line; and
- a shielding layer, located on the peripheral region,
18. The display panel as claimed in claim 17, wherein an included angle between an orthogonal projection of the first signal line on the first substrate and an orthogonal projection of the second signal line on the first substrate is θ, and θ=90°.
19. The display panel as claimed in claim 17, wherein an included angle between an orthogonal projection of the first signal line on the first substrate and an orthogonal projection of the second signal line on the first substrate is θ, and 75°≦θ≦105°, θ≠90°.
20. A display panel, having a non-rectangular display region and a peripheral region outside the non-rectangular display region, the display panel comprising:
- a first substrate;
- a plurality of pixel units, disposed on the first substrate, and located on the non-rectangular display region, and each of the pixel units comprising: a thin-film transistor, a first signal line and a second signal line, electrically connected to the thin-film transistor, wherein an extending direction of the first signal line is different with an extending direction of the second signal line; and
- a shielding layer,
- wherein a part of a contour of an orthogonal projection of the shielding layer on the first substrate extends along outer edges of the pixel units located at the edge of the non-rectangular display region, and comprises a plurality of first line segments and a plurality of second line segments, the first line segments are respectively parallel to orthogonal projections of the corresponding first signal lines on the first substrate, and the second line segments are respectively parallel to orthogonal projections of the corresponding second signal lines on the first substrate.
Type: Application
Filed: Nov 22, 2016
Publication Date: Mar 29, 2018
Applicants: HannStar Display(Nanjing) Corp. (Nanjing), HannStar Display Corporation (Taipei City)
Inventors: Hsuan-Chen Liu (Kaohsiung City), Chien-Ting Chan (Tainan City)
Application Number: 15/358,149