TWI696159B - Display apparatus - Google Patents

Abstract

A display apparatus includes a first display element and a second display element. In a first mode, the first display element and the second display element at least partially overlap, and a first engaging portion of the first display element is separated from a second engaging portion of the second display element. In a second mode, the first engaging portion of the first display element and the second engaging portion of the second display element are engaged, so that first terminals of the first engaging portion and second terminals of the second engaging portion are electrically connected, and the driving chip of the first display element is electrically connected to second pixels of the second display element by the first terminals of the first engaging portion and the second terminals of the second engaging portion.

Description

Display device

The present invention relates to an electronic device, and particularly to a display device.

Usually to achieve a display device with a large display area, it will be achieved by increasing the size of a single display element or removing the display device frame, but removing the display device frame will cause the display device to greatly reduce the impact resistance, and increase the size of the single display device It is difficult to implement when the volume of the wearable display device or the consumer electronic product itself is limited.

The invention provides a display device which has the advantages of small volume, easy portability and the ability to expand the display screen.

A display device of the present invention includes a first display element and a second display element. The first display element includes a plurality of first pixels, a driving chip, and a first engaging portion, wherein the first pixel is electrically connected to the driving chip, the first engaging portion has a plurality of first terminals, and the first engaging The first terminal of the part is electrically connected to the driving chip. The second display element includes a plurality of second pixels and a second engaging portion, wherein the second engaging portion has a plurality of second terminals, and the second pixel is electrically connected to the second terminal of the second engaging portion. In the first mode, the first display element and the second display element at least partially overlap, and the first engaging portion of the first display element is separated from the second engaging portion of the second display element. In the second mode, the first engaging portion of the first display element is engaged with the second engaging portion of the second display element so that the plurality of first terminals of the first engagement portion and the plurality of second engagement portions The second terminals are electrically connected, and the driving chip of the first display element is electrically connected to the plurality of second display elements through the plurality of first terminals of the first engaging portion and the plurality of second terminals of the second engaging portion The second pixel.

In an embodiment of the present invention, in the above-mentioned first mode, the first pixel of the first display element is enabled to display the picture, and the second pixel of the second display element is not enabled to display the picture.

In an embodiment of the invention, in the above-mentioned second mode, the first pixel of the first display element and the second pixel of the second display element are enabled to display the first picture and the second picture, respectively.

In an embodiment of the invention, one of the first engaging portion and the second engaging portion includes a tenon, and the other of the first engaging portion and the second engaging portion includes a locking slot .

In an embodiment of the present invention, each of the plurality of first pixels includes a first scan line, a first data line, and a first active element electrically connected to the first scan line and the first data line; The first display element further has a first integrated gate drive circuit and a first wire electrically connected to the first integrated gate drive circuit; a plurality of first scan lines of a plurality of first pixels are electrically connected to the first An integrated gate drive circuit; the first wire is electrically connected to the drive chip.

In an embodiment of the present invention, each of the plurality of second pixels includes a second scan line, a second data line, and a second active element electrically connected to the second scan line and the second data line; The second display element further has a second integrated gate drive circuit and a second wire electrically connected to the second integrated gate drive circuit; a plurality of second scan lines of a plurality of second pixels are electrically connected to the second Two integrated gate drive circuits; the second wire is electrically connected to one of the plurality of second terminals of the second engaging portion.

In an embodiment of the invention, the above-mentioned second wire is directly electrically connected to the second terminal of the second engaging portion.

In an embodiment of the present invention, the plurality of second data lines of the plurality of second pixels are directly and electrically connected to other second terminals, respectively.

In an embodiment of the present invention, each of the plurality of first pixels includes a first scan line, a first data line, and a first active element electrically connected to the first scan line and the first data line; The plurality of first scan lines of the plurality of first pixels and the plurality of first data lines of the plurality of first pixels are electrically connected to the driving chip.

In an embodiment of the present invention, each of the plurality of second pixels includes a second scan line, a second data line, and a second active element electrically connected to the second scan line and the second data line; The plurality of second scan lines of the plurality of second pixels and the plurality of second data lines of the plurality of second pixels are respectively and directly electrically connected to the plurality of second terminals of the second engaging portion.

In order to make the above-mentioned features and advantages of the present invention more obvious and understandable, the embodiments are specifically described below in conjunction with the accompanying drawings for detailed description as follows.

Reference will now be made in detail to exemplary embodiments of the present invention, examples of which are illustrated in the drawings. Wherever possible, the same element symbols are used in the drawings and description to denote the same or similar parts.

FIG. 1A is a schematic top view of a display device 10, 10A, or 10B according to an embodiment of the invention. FIG. 1B is a schematic cross-sectional view of a display device 10, 10A, or 10B according to an embodiment of the invention. In particular, the display devices 10, 10A, and 10B of FIGS. 1A and 1B are in the first mode.

FIG. 2A is a schematic top view of a display device 10, 10A, 10B according to an embodiment of the invention. 2B is a schematic cross-sectional view of a display device 10, 10A, 10B according to an embodiment of the invention. In particular, the display devices 10, 10A, and 10B of FIGS. 2A and 2B are in the second mode.

FIG. 3 is a schematic top view of a display device 10 according to an embodiment of the invention. The display device 10 of FIG. 3 is in the second mode.

In addition to the first engaging portion 110 and the second engaging portion 210 of FIG. 2A, FIG. 3 also shows other detailed components of the display device 10, for example: the second wire 220, the second data line DL2, the first Two scan lines SL2, second active element T2, second pixel PX2, display dielectric capacitor Clc, second integrated gate drive circuit GOA2, first terminal 112, second terminal 212, driving chip IC, first wire 120 1. The first scan line SL1, the first active element T1, the first pixel PX1, the first data line DL1 and the first integrated gate drive circuit GOA1.

For clarity, FIG. 1A, FIG. 1B, FIG. 2A, and FIG. 2B are detailed components that omit a portion of the display devices 10, 10A, and 10B, for example: the second wire 220, the second data line DL2, and the second scan line SL2 , Second active element T2, second pixel PX2, display dielectric capacitor Clc, second integrated gate drive circuit GOA2, first terminal 112, second terminal 212, driving chip IC, first wire 120, first scan Line SL1, first active element T1, first pixel PX1, first data line DL1, first integrated gate drive circuit GOA1, etc.

FIG. 4 shows a plurality of first terminals 112 of the first engaging portion 110 according to an embodiment of the invention.

FIG. 5 shows a plurality of second terminals 212 of the second engaging portion 210 according to an embodiment of the invention.

1A, 1B, 2A, 2B and 3, the display device 10 includes a first display element 100 and a second display element 200.

Referring to FIG. 3, the first display element 100 includes a plurality of first pixels PX1. In this embodiment, each first pixel PX1 may include a first scan line SL1, a first data line DL1, a first active element T1, and a display medium capacitance Clc. The first scan line SL1 and the first data line DL1 are alternately arranged. The first active element T1 is electrically connected to the first scan line SL1 and the first data line DL1. The first active device T1 may include a first thin film transistor, the gate of the first thin film transistor is electrically connected to the first scan line SL1, and the source of the first thin film transistor is electrically connected to the first data line DL1. The display dielectric capacitor Clc is electrically connected to the first active element T1. The display medium capacitance Clc may be composed of a first pixel electrode, a first common electrode overlapping the first pixel electrode, and a first display medium (such as but not limited to: liquid crystal), where the first pixel electrode is electrically connected to the first The drain of a thin film transistor.

The first display element 100 also includes a driving chip IC. The plurality of first pixels PX1 are electrically connected to the driving chip IC. For example, in this embodiment, a plurality of first data lines DL1 of a plurality of first pixels PX1 may be electrically connected to the driving chip IC, and the driving chip IC may include a data driving circuit.

In the present embodiment, the first display element 100 may optionally include a first integrated gate driver on array GOA1 and a first wire 120 disposed outside the driving chip IC. The plurality of first scan lines SL1 of the plurality of first pixels PX1 are electrically connected to the first integrated gate driving circuit GOA1. Both ends of the first wire 120 are electrically connected to the driving chip IC and the first integrated gate driving circuit GOA1, respectively. The first integrated gate driving circuit GOA1 is electrically connected to the driving chip IC through the first wire 120.

Please refer to FIGS. 3 and 4. The first display element 100 further includes a first engaging portion 110. In this embodiment, the first engaging portion 110 is, for example, a tenon, and the tenon may be a pop-up type or a telescopic type. However, the invention is not limited to this. According to other embodiments, the first engaging portion 110 may also be other types of components.

The first engaging portion 110 has a plurality of first terminals 112, and the first terminals 112 of the first engaging portion 110 are electrically connected to the driving chip IC. For example, in this embodiment, the plurality of first terminals 112 of the first engaging portion 110 may be electrically connected to the driving chip IC through a flexible printed circuit (FPC) (not shown), but The invention is not limited to this.

Referring to FIG. 3, the second display element 200 is similar to the first display element 100. The main difference between the two is that the second display element 200 does not include the driving chip IC of the first display element 100.

Specifically, the second display element 200 includes a plurality of second pixels PX2. In this embodiment, each second pixel PX2 may include a second scan line SL2, a second data line DL2, a second active element T2, and a display medium capacitance Clc. The second scan line SL2 and the second data line DL2 are alternately arranged. The second active element T2 is electrically connected to the second scan line SL2 and the second data line DL2. The second active element T2 may include a second thin film transistor, the gate of the second thin film transistor is electrically connected to the second scan line SL2, and the source of the second thin film transistor is electrically connected to the second data line DL2. The display dielectric capacitor Clc is electrically connected to the second active element T2. The display medium capacitance Clc may be composed of a second pixel electrode, a second common electrode overlapping with the second pixel electrode, and a second display medium (such as but not limited to: liquid crystal), where the second pixel electrode is electrically connected to the second pixel electrode The drain of two thin film transistors.

In this embodiment, the second display element 200 may optionally include a second integrated gate drive circuit GOA2 and a second wire 220. The plurality of second scan lines SL2 of the plurality of second pixels PX2 are electrically connected to the second integrated gate drive circuit GOA2. The second wire 220 is electrically connected to the second integrated gate drive circuit GOA2.

Please refer to FIGS. 3 and 5. The second display element 200 further includes a second engaging portion 210. In this embodiment, the second engaging portion 210 is, for example, a locking slot designed corresponding to the first engaging portion 110. However, the invention is not limited to this. According to other embodiments, the second engaging portion 210 may also be other types of components.

The second engaging portion 210 has a plurality of second terminals 212. The plurality of second pixels PX2 are electrically connected to the plurality of second terminals 212 of the second engaging portion 210. For example, in this embodiment, the plurality of second data lines DL2 and the second wires 220 of the plurality of second pixels PX2 are electrically connected to the plurality of second terminals 212 of the second engaging portion 210, respectively.

In this embodiment, the second wire 220 may be directly electrically connected to one of the plurality of second terminals 212 of the second engaging portion 210, and the plurality of second data lines DL2 of the plurality of second pixels PX2 may be directly And each is electrically connected to other second terminals 212 respectively. In this embodiment, the number of the second terminals 212 of the second engaging portion 210 may be equal to the sum of the number of the plurality of second data lines DL2 and the second wires 220, but the invention is not limited thereto.

1A and 1B, in the first mode, the first display element 100 and the second display element 200 at least partially overlap, and the first engaging portion 110 of the first display element 100 and the second of the second display element 200 The engaging portion 210 is separated.

The first mode may also be referred to as a top-and-bottom overlap mode. When the user does not need to use a large display area, the first display element 100 is movably stacked on the second display element 200, so that the display device 10 has a smaller volume , Easy to use and/or carry.

In the first mode, a plurality of first pixels PX1 (marked in FIG. 3) of the first display element 100 are enabled to display a picture, but a plurality of second pixels PX2 (marked in FIG. 3) of the second display element 200 The screen is not displayed without enabling. In detail, in the first mode, the driving chip IC can output a driving signal, so that the plurality of first pixels PX1 of the first display element 100 display a picture. In addition, in the first mode, since the first engaging portion 110 is separated from the second engaging portion 210, the driving chip IC is electrically isolated from the second display element 200, and the plurality of second images of the second display element 200 The PX2 cannot receive the drive signal from the driver IC without displaying the screen.

2A, 2B, and 3, in the second mode, the first engaging portion 110 of the first display element 100 is engaged with the second engaging portion 210 of the second display element 200 to make the first engaging portion The plurality of first terminals 112 of 110 is electrically connected to the plurality of second terminals 212 of the second engaging portion 210, and the driving chip IC of the first display element 100 passes through the plurality of first terminals 112 of the first engaging portion 110 The second terminals 212 of the second engaging portion 210 are electrically connected to the second pixels PX2 of the second display element 200.

The second mode may also be called an expanded mode. When a user needs to use a large display area AA, the first display element 100 may use a connecting element (such as but not limited to: a slide rail) (not shown) from the second display element 200 Move up to the side of the second display element 200 to engage the first engaging portion 110 with the second engaging portion 210, and the plurality of first terminals 112 are respectively docked with the plurality of second terminals 212. At this time, the plurality of second pixels PX2 of the second display element 200 can be electrically connected to the plurality of first terminals 112 of the first engaging portion 110 and the plurality of second terminals 212 of the second engaging portion 210 The driving chip IC of the first display element 100.

In the second mode, the driving chip IC can output a driving signal, so that the plurality of first pixels PX1 of the first display element 100 and the plurality of second pixels PX2 of the second display element 200 can respectively display the first picture and The second screen. For example, in this embodiment, the first display element 100 includes a plurality of first scan lines SL1 sequentially arranged in the first direction d1, and the second display element 200 includes a plurality of sequentially arranged lines in the first direction d1 A second scan line SL2, each first scan line SL1 and a corresponding second scan line SL2 are arranged in a second direction d2 perpendicular to the first direction d1 to form a scan line group, the driving chip IC simultaneously outputs the first One and two gate turn-on signals are respectively connected to a first scan line SL1 and a second scan line SL2 of the same scan line group, so that the first scan line SL1 and a second scan line SL2 of the same scan line group are electrically connected The display medium capacitance Clc of the first pixel PX1 and the display medium capacitance Clc of the second pixel PX2 are simultaneously charged. In other words, in this embodiment, the first screen of the first display element 100 and the second screen of the second display element 200 can be updated simultaneously, but the invention is not limited to this.

In the second mode, the first display element 100 and the second display element 200 can be located on substantially the same surface (for example, but not limited to: the same plane), the first screen of the first display element 100 and the second of the second display element 200 The screen can form an extended screen, and provide users with a larger display area AA.

In short, the display device 10 can be switched to the first mode or the second mode according to the user's needs, and combines the advantages of small size, easy portability, and expandable display screen.

It must be noted here that the following embodiments follow the element numbers and partial contents of the foregoing embodiments, wherein the same reference numbers are used to indicate the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the foregoing embodiments, and the following embodiments will not be repeated.

FIG. 6 shows a schematic top view of a display device 10A according to another embodiment of the invention. The display device 10A of FIG. 6 is in a second mode.

Please refer to FIG. 6. The display device 10A of this embodiment is similar to the aforementioned display device 10. The difference between the two is that in this embodiment, the multiple first scan lines SL1 of the multiple first pixels PX1 can be directly powered. Is connected to the driving chip IC, and the display device 10A may not include the first wire 120 of the display device 10 and the first integrated gate drive circuit GOA1; a plurality of second scan lines SL2 and a plurality of second pixels PX2 The second data line DL2 can be individually and directly electrically connected to the plurality of second terminals 212 of the second engaging portion 210, and the display device 10A may not include the second wire 220 of the display device 10 and the second integrated gate drive circuit GOA2.

In this embodiment, the number of the second terminals 212 of the second engaging portion 210 may be equal to the sum of the number of the plurality of second data lines DL2 and the plurality of second scan lines SL2, but the invention is not limited to this .

Please refer to FIG. 1A, FIG. 1B, FIG. 2A, FIG. 2B, and FIG. 6, the display device 10A can also switch to the first mode or the second mode according to user needs like the aforementioned display device 10, those with ordinary knowledge in the art It should be achievable according to FIG. 1A, FIG. 1B, FIG. 2A, FIG. 2B, FIG. 6 and the foregoing description, and will not be repeated here.

FIG. 7 shows a schematic top view of a display device 10B according to another embodiment of the invention. The display device 10B of FIG. 7 is in a second mode.

Referring to FIG. 7, the display device 10B of this embodiment is similar to the aforementioned display device 10A, and the differences between the two are as follows.

In this embodiment, the plurality of second scan lines SL2 includes x-y second scan lines SL2 and n-m second scan lines SL2 sequentially arranged in the first direction d1, where x, y , N and m are all positive integers, and 1≤x<y<n<m.

During the first time interval, the xth to yth second scan lines SL2 respectively have a plurality of synchronized first gate turn-on signals. During a second time interval following the first time interval, the nth to mth second scan lines SL2 respectively have a plurality of synchronized second gate turn-on signals. Any two adjacent ones of the plurality of second terminals 212 electrically connected to the x-y second scan lines SL2 respectively have a first distance p1. Any adjacent two of the plurality of second terminals 212 electrically connected to the nth to mth second scan lines SL2 respectively have a second distance p2. The plurality of second terminals 212 electrically connected to the xth to yth second scan lines SL2 constitute a first terminal group G1. A plurality of second terminals 212 electrically connected to the nth to mth second scan lines SL2 constitute a second terminal group G2. The first terminal group G1 and the second terminal group G2 have a pitch p0, p0>p1, and p0>p2. For example, in this embodiment, preferably, the first distance p1 is substantially equal to the second distance p2, but the invention is not limited to this.

That is to say, the plurality of second terminals 212 with synchronized signals (for example: the plurality of second terminals 212 of the first terminal group G1 or the plurality of second terminals 212 of the second terminal group G2) can be arranged closer, The two terminal groups (for example, the first terminal group G1 and the second terminal group G2) with unsynchronized signals can be set far away to avoid mutual interference of the signals of each other and enhance the electrical performance of the display device 10B.

Please refer to FIG. 1A, FIG. 1B, FIG. 2A, FIG. 2B, and FIG. 7, the display device 10B can also be switched to the first mode or the second mode according to the user's needs like the aforementioned display device 10, and have ordinary knowledge in the art It should be achievable according to FIG. 1A, FIG. 1B, FIG. 2A, FIG. 2B, FIG. 7 and the foregoing description, and will not be repeated here.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the scope defined in the appended patent application.

10, 10A, 10B: display device

100: the first display element

110: The first engaging part

112: the first terminal

120: first wire

200: second display element

210: Second engagement section

220: second wire

212: Second terminal

AA: display area

Clc: Display dielectric capacitance

d1: first direction

d2: second direction

DL1: the first data line

DL2: The second data line

GOA1: the first integrated gate drive circuit

GOA2: Second integrated gate drive circuit

G1: the first terminal group

G2: Second terminal group

IC: driver chip

PX1: the first pixel

PX2: second pixel

p1: first distance

p2: second distance

p0: pitch

SL1: first scan line

SL2: second scan line

T1: the first active component

T2: second active component

FIG. 1A is a schematic top view of a display device 10, 10A, or 10B according to an embodiment of the invention. 1B is a schematic cross-sectional view of a display device 10, 10A, 10B according to an embodiment of the invention. FIG. 2A is a schematic top view of a display device 10, 10A, 10B according to an embodiment of the invention. 2B is a schematic cross-sectional view of a display device 10, 10A, 10B according to an embodiment of the invention. FIG. 3 is a schematic top view of a display device 10 according to an embodiment of the invention. FIG. 4 shows a plurality of first terminals 112 of the first engaging portion 110 according to an embodiment of the invention. FIG. 5 shows a plurality of second terminals 212 of the second engaging portion 210 according to an embodiment of the invention. FIG. 6 shows a schematic top view of a display device 10A according to another embodiment of the invention. FIG. 7 shows a schematic top view of a display device 10B according to another embodiment of the invention.

10: display device

100: the first display element

110: The first engaging part

112: the first terminal

120: first wire

200: second display element

210: Second engagement section

220: second wire

212: Second terminal

AA: display area

Clc: Display dielectric capacitance

d1: first direction

d2: second direction

DL1: the first data line

DL2: The second data line

GOA1: the first integrated gate drive circuit

GOA2: Second integrated gate drive circuit

IC: driver chip

PX1: the first pixel

PX2: second pixel

SL1: first scan line

SL2: second scan line

T1: the first active component

T2: second active component

Claims (10)

A display device includes: a first display element, including a plurality of first pixels, a driving chip and a first engaging portion, wherein the first pixels are electrically connected to the driving chip, the first card The engaging portion has a plurality of first terminals, and the first terminals of the first engaging portion are electrically connected to the driving chip; and a second display element including a plurality of second pixels and a second engaging Part, wherein the second engaging part has a plurality of second terminals, and the second pixels are electrically connected to the second terminals of the second engaging part; in a first mode, the first display The element and the second display element at least partially overlap, and the first engaging portion of the first display element is separated from the second engaging portion of the second display element; in a second mode, the first display element The first engaging portion is engaged with the second engaging portion of the second display element to electrically connect the first terminals and the second terminals, and the driving chip of the first display element passes through The first terminals of the first engaging portion and the second terminals of the second engaging portion are electrically connected to the second pixels of the second display element. The display device according to item 1 of the patent application scope, wherein in the first mode, the first pixels of the first display element are enabled to display a picture, and the second pixels of the second display element The screen is not displayed without enabling. The display device according to item 1 of the patent application scope, wherein in the second mode, the first pixels of the first display element and the second pixels of the second display element are enabled to display A first picture and a second picture. The display device according to item 1 of the patent application scope, wherein one of the first engaging portion and the second engaging portion includes a tenon, and the first engaging portion and the second engaging portion The other includes a card slot. The display device according to item 1 of the patent application scope, wherein each of the first pixels includes a first scan line, a first data line, and electrically connected to the first scan line and the first data A first active element of the line; the first display element further has a first integrated gate drive circuit and a first wire electrically connected to the first integrated gate drive circuit; the first pixels The plurality of first scan lines are electrically connected to the first integrated gate driving circuit; the first wire is electrically connected to the driving chip. The display device as described in item 1 of the patent application scope, wherein each of the second pixels includes a second scan line, a second data line, and electrically connected to the second scan line and the second data A second active element of the line; the second display element further has a second integrated gate drive circuit and a second wire electrically connected to the second integrated gate drive circuit; the second pixels The plurality of second scan lines are electrically connected to the second integrated gate drive circuit; the second wire is electrically connected to one of the second terminals of the second engaging portion. The display device as described in item 6 of the patent application range, wherein the second wire is directly electrically connected to the second terminal of the second engaging portion. The display device as described in item 7 of the patent application range, wherein the plurality of second data lines of the second pixels are directly and electrically connected to the other plurality of second terminals of the second terminals, respectively. The display device according to item 1 of the patent application scope, wherein each of the first pixels includes a first scan line, a first data line, and electrically connected to the first scan line and the first data A first active element of the line; a plurality of first scan lines of the first pixels and a plurality of first data lines of the first pixels are electrically connected to the driving chip. The display device as described in item 1 of the patent application scope, wherein each of the second pixels includes a second scan line, a second data line, and electrically connected to the second scan line and the second data A second active element of the line; a plurality of second scan lines of the second pixels and a plurality of second data lines of the second pixels are respectively and directly electrically connected to the second engaging portion These second terminals.

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