KR20160146477A - Display panel and display device having the same - Google Patents

Display panel and display device having the same Download PDF

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Publication number
KR20160146477A
KR20160146477A KR1020150154078A KR20150154078A KR20160146477A KR 20160146477 A KR20160146477 A KR 20160146477A KR 1020150154078 A KR1020150154078 A KR 1020150154078A KR 20150154078 A KR20150154078 A KR 20150154078A KR 20160146477 A KR20160146477 A KR 20160146477A
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KR
South Korea
Prior art keywords
substrate
disposed
spacer
display panel
display
Prior art date
Application number
KR1020150154078A
Other languages
Korean (ko)
Inventor
전재환
옥정수
박성동
이상환
Original Assignee
삼성디스플레이 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 삼성디스플레이 주식회사 filed Critical 삼성디스플레이 주식회사
Priority to US15/144,930 priority Critical patent/US10007151B2/en
Publication of KR20160146477A publication Critical patent/KR20160146477A/en
Priority to US16/003,381 priority patent/US10564484B2/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Abstract

A display panel comprises: a first substrate including a display unit and a pad unit of one edge of the display unit; a second substrate arranged on the display unit of the first substrate; a spacer arranged on the pad unit of the first substrate; and a polarization plate arranged on the second substrate and the spacer. The spacer comprises: a body unit; and a printing layer arranged on at least one surface of the body unit.

Description

DISPLAY PANEL AND DISPLAY DEVICE HAVING THE SAME [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display panel and a display device including the same, and more particularly to a borderless display panel and a display device including the same.

The display device may include a liquid crystal display (LCD), an organic light emitting diode (OLED) display, a plasma display panel (PDP), and an electrophoretic display display).

The display device includes a display panel, various frames for supporting and accommodating the display panel, and various optical sheets for improving the optical characteristics of the display panel, and these structures are stacked in order. Further, the display panel includes a display portion and a non-display portion around the display portion, wherein the frame can be arranged to cover the non-display portion of the display panel.

Recently, a borderless display device has been proposed in which a width of a frame disposed on a non-display portion is narrowed or a frame is omitted, thereby minimizing the visibility of the boundary or step of the display device in order to make the appearance of the display device beautiful. .

However, even in such a borderless display device, there is no non-display portion in the periphery of the display portion, so that a cover window on which a print layer is formed so that the non-display portion is not visible is disposed on the display panel.

Disclosed is a borderless display panel capable of reducing manufacturing cost by omitting a cover window disposed on a conventional borderless display panel, and a display device including the same.

A first substrate including a display portion and a pad portion at one edge of the display portion, a second substrate disposed on the display portion of the first substrate, a spacer disposed on the pad portion of the first substrate, And a polarizing plate disposed on the spacer, wherein the spacer includes a body portion and a printing layer disposed on at least one side of the body portion.

The print layer may be disposed between the first substrate and the body.

The printing layer may be disposed between the body and the polarizer.

The body portion may be made of tempered glass or polymer resin .

The display panel may further include a conductive coating layer disposed between the first substrate and the spacer.

The display panel may include an adhesive member disposed between the first substrate and the spacer.

The display panel may include a plurality of pads formed on the pad portion of the first substrate and may include at least one flexible printed circuit board connected to the pads.

The display panel may include a light shielding member disposed on an edge of the second substrate.

The height from the first substrate to the top surface of the second substrate may be substantially the same as the height from the first substrate to the top surface of the spacer.

The spacer may be in contact with the second substrate.

The display panel may include a liquid crystal layer interposed between the first substrate and the second substrate.

The display panel may include a polarizer disposed on a back surface of the first substrate.

A display device comprising: a display panel for displaying an image; and a frame for supporting a rear edge of the display panel, wherein the display panel includes a first substrate including a display portion and a pad portion at one edge of the display portion, A spacer disposed on the pad portion of the first substrate; and a polarizer disposed on the second substrate and the spacer, wherein the spacer comprises a body portion, and at least a portion of the body portion There is provided a display device including a print layer disposed on one surface.

The print layer may be disposed between the first substrate and the body.

The printing layer may be disposed between the body and the polarizer.

The body portion may be made of tempered glass or polymer resin .

The display device may further include a conductive coating layer disposed between the first substrate and the spacer.

The display device may include a light shielding member disposed on an edge of the second substrate.

The height from the first substrate to the top surface of the second substrate may be substantially the same as the height from the first substrate to the top surface of the spacer.

The spacer may be in contact with the second substrate.

The display panel includes a first substrate including a display portion and a curved portion extending from the display portion and having a first curved surface, a second substrate disposed on the display portion of the first substrate, a second substrate disposed on the curved portion of the first substrate, And a second curved surface corresponding to the first curved surface, and a polarizing plate disposed on the second substrate and the spacer.

Wherein the first substrate includes a plurality of pad portions arranged along a first direction,

And the second curved surface is curved with respect to a bending axis parallel to the first direction.

The spacer includes a body portion, and a printing layer disposed on at least one side of the body portion, wherein the spacer is directly attached to the polarizing plate.

The printing layer is directly attached to the polarizing plate.

The body portion is directly attached to the polarizing plate.

The display panel and the display device including the same according to the present invention can reduce the manufacturing cost and simplify the assembly by omitting the cover window disposed on the display panel.

Further, the display panel and the display device including the same according to the present invention can implement a slim display device by omitting the cover window disposed on the display panel.

1 is an exploded perspective view showing a display panel according to an embodiment of the present invention.
Fig. 2A is a cross-sectional view taken along line I-I of Fig.
2B is a view for explaining a display panel according to another embodiment of the present invention.
3 is a perspective view illustrating a spacer according to an embodiment of the present invention.
4 is a rear view of a spacer according to an embodiment of the present invention.
5 is a cross-sectional view illustrating a display device according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain embodiments, it is obvious to those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood, however, that the scope of the present invention is not limited to the specific embodiments described above, and all changes, equivalents, or alternatives included in the spirit and technical scope of the present invention are included in the scope of the present invention.

In this specification, when a part is connected to another part, it includes not only a direct connection but also a case where the part is electrically connected with another part in between. In addition, when a part includes an element, it does not exclude other elements unless specifically stated otherwise, but may include other elements.

 The terms first, second, third, etc. in this specification may be used to describe various components, but such components are not limited by these terms. The terms are used for the purpose of distinguishing one element from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second or third component, and similarly, the second or third component may be alternately named.

 In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

Hereinafter, a display device according to an embodiment of the present invention will be described on the premise that it is a liquid crystal display device. However, it goes without saying that the present invention can be applied to not only a liquid crystal display but also an organic light emitting display or a plasma display.

In this specification, the display device is assumed to include an edge type backlight unit, but the present invention is not limited thereto, and it may be a direct type backlight unit or a corner type backlight unit .

FIG. 1 is an exploded perspective view showing a display panel according to an embodiment of the present invention, and FIG. 2 (a) is a sectional view taken along line I - of FIG.

1 and 2A, a display panel 110 according to an embodiment of the present invention includes a display unit DA, a first substrate 111 including a pad portion PAD at one edge of the display unit DA, A liquid crystal layer 300 formed between the first substrate 111 and the second substrate 113, a first substrate 111, a first substrate 111, a first substrate 111, A spacer 200 disposed on the pad portion PAD of the first substrate 111 and a lower polarizer 111a disposed on the rear surface of the first substrate 111 and a second substrate 111 disposed on the upper surface of the second substrate 113 and the spacer 200 And an upper polarizer plate 113a.

The first substrate 111 includes a display area DA in which a plurality of gate lines, a plurality of data lines, and pixel electrodes are arranged, a plurality of pads 112a, a plurality of pads 112a, And a pad portion PAD in which a connection wiring 112b for connecting the data line and the like are disposed.

The pad portion PAD is disposed on at least one edge of the display portion DA. The plurality of pads 112a disposed on the pad portion PAD of the first substrate 111 transmit various drive signals supplied from the outside to the display portion DA.

The second substrate 113 is disposed on the display portion DA of the first substrate 111.

A common electrode formed of a transparent conductive material, a color filter, and a light shielding member are disposed on the second substrate 113. Color filters have red, green, and blue color filters. The display panel 110 according to an embodiment of the present invention includes a light shielding member 114 disposed on the back edge of the second substrate 113. The light shielding member 114 is also called a black matrix, and may include a metal such as chromium oxide (CrOx) or an opaque organic film material.

The liquid crystal layer 300 is interposed between the first substrate 111 and the second substrate 113 and is rearranged by an electric field formed between the pixel electrode and the common electrode. Thus, the rearranged liquid crystal layer adjusts the transmittance of the light emitted from the backlight unit, and the thus adjusted light passes through the color filter to display the image to the outside.

The liquid crystal layer 300 is filled in a sealing material 310 disposed between the first substrate 111 and the second substrate 113. The sealing material 310 may be disposed on either the first substrate 111 or the second substrate 113 to bond the first substrate 111 and the second substrate 113 together.

The first substrate 111 and the second substrate 113 can maintain a cell gap of about 2.0 μm to 5.0 μm or a cell gap by using the sealing material 310 and more preferably about 3.3 μm to 3.7 μm Gt; cellgap < / RTI >

A lower polarizer 111a is disposed on the back surface of the first substrate 111 and an upper polarizer 113a is disposed on the upper surface of the second substrate 113 and the spacer 200. [ The display panel 110 according to an exemplary embodiment of the present invention may be configured such that the upper polarizer 113a is extended to the upper surface of the spacer 200 to minimize the viewer's view of the boundary or step of the display panel 110 have.

That is, the height H1 from the first substrate 111 to the top surface of the second substrate 113 may be substantially equal to the height H2 from the first substrate 111 to the top surface of the spacer 200 .

The upper polarizer 113a can transmit only specific polarized light among the light arriving from the outside and absorb or block the remaining light. The lower polarizer 111a allows only specific polarized light to pass through the light output from the backlight unit and absorbs or blocks the remaining light. If the display panel 110 is an organic light emitting display panel, the lower polarizer 111a may be omitted.

The driving circuit board 115 may be disposed on at least one side of the display panel 110. [ The driving circuit board can provide various control signals and power supply signals for driving the display panel 110.

The display panel 110 and the driving circuit board 115 may be electrically connected by at least one flexible printed circuit board 117. The number of the flexible printed circuit boards 117 may be various values depending on the size of the display panel 110 and the driving method or the like. Lt; / RTI >

The flexible printed circuit board 117 is attached to the plurality of pads 112a of the first substrate 111. The flexible printed circuit board 117 and the pads 112a of the first substrate 111 may be electrically connected using an anisotropic conductive film (ACF). The anisotropic conductive film may be a thermosetting resin film containing conductive particles.

The driving chip 119 can be mounted on the flexible printed circuit board 117. [ The driving chip 119 may generate various driving signals for driving the display panel 110. The driving chip 119 may be expressed by a driver IC (integrated circuit) or a source integrated circuit (IC), in which the timing controller and the data driving circuit are integrated into a single chip.

The spacer 200 is disposed on the pad portion PAD of the first substrate 111. At this time, the spacers 200 may be disposed in contact with the second substrate 113.

The spacer 200 includes a body 210 and a printed layer 220 disposed on at least one selected face of the body 210. Further, an adhesive member 230 is disposed between the spacer 200 and the first substrate 111.

2B is a view for explaining a display panel according to another embodiment of the present invention.

Referring to FIG. 2B, the first substrate 111 'may include a display portion DA, and a curved portion CA extending from the display portion DA and having a first curved surface FF1.

More specifically, the first substrate 111 'of the display panel of FIG. 2B differs from the first substrate 111 of FIG. 2A in a first curved surface FF1 extending from one side of the display portion DA May be provided,

As the first substrate 111 'includes the curved portion CA, the spacer 200' disposed on the curved portion CA has a second curved surface corresponding to the first curved surface FF1 FF2. The upper polarizer 113a 'may also have a third curved surface FF3 corresponding to the first curved surface FF1.

The second curved surface FF2 and the third curved surface FF3 may be bent based on a bending axis (not shown) parallel to the first direction D1. Accordingly, the first direction D1 and the second curved surface FF2 may be parallel to each other and may not cross each other. Similarly, the first direction D1 and the third curved surface FF3 may be parallel to each other and may not cross each other.

The spacer 200 'may include a material having flexibility. The spacer 200 'includes a flexible material so that it can be bent at various angles with respect to the bending axis while having the second curved surface FF2. The flexible material will be described in more detail in FIG.

The rest of the configuration is the same as that described in Fig. 2 and will be omitted.

FIG. 3 is a perspective view of a spacer according to an embodiment of the present invention, and FIG. 4 is a rear view illustrating a spacer according to an embodiment of the present invention.

1 to 4, a spacer 200 according to an embodiment of the present invention includes a body 210 and a printed layer 210 disposed on at least one selected surface of the body 210, (220).

The body portion 210 may include tempered glass or a polymer resin. For example, the body 210 may be formed of a material selected from the group consisting of polydimethylsiloxane, poly silicon, poly-urea, styrene block copolymer, PMMA (poly methylmethacrylate) Acrylic resin, polycarbonate, and poly (ethylene terephthalate) (PET).

Since the body part 210 is made of the above-mentioned polymer resin instead of the tempered glass, the manufacturing cost of the display panel can be reduced. The shape of the spacer 200 can be easily changed as shown in FIG. 2B, and the shape of the curved surface of the display panel can be facilitated by the body part 210 made of the polymer resin.

The print layer 220 may be printed using an ink containing an inorganic pigment, an organic pigment, a dye, or the like, and may have a black color to effectively cover the pad portion PAD. However, the present invention is not limited thereto, and the print layer 220 may have a specific color.

Although the print layer 220 is illustrated as being disposed on the lower surface of the body 210 in the drawing, the print layer 220 may be disposed on the upper surface of the body 210, As shown in FIG.

The spacer 200 may be attached to the pad portion PAD of the first substrate 111 or the upper polarizer plate 113a by an adhesive member 230. [ The adhesive member 230 may be, for example, a double-sided tape.

In addition, a conductive coating layer 240 may be disposed between the first substrate 111 and the spacer 200 to prevent static electricity. The conductive coating layer 240 is disposed on at least one edge of the lower surface of the spacer 200 so as to be in contact with the outermost pad among the plurality of pads 112a disposed on the pad portion PAD of the first substrate 111 .

For example, the conductive coating layer 240 may be a silver dot, and the outermost pad may be a ground line. The outermost pad may have a larger area than the remaining pads 112a to widen the contact area with the conductive coating layer 240. [

The spacer 200 according to an embodiment of the present invention can discharge the static electricity introduced into the first substrate 111 to the outside via the outermost pad and the conductive coating layer 240, can do.

5 is a cross-sectional view illustrating a display device according to an embodiment of the present invention.

5, a display device according to an exemplary embodiment of the present invention includes a display panel 110, an intermediate frame 120, an optical sheet 130, a light guide plate 140, a light source 150, a reflection sheet 160, And a lower frame 170, and the like.

The display panel 110 includes a first substrate 111 including a display portion DA and a pad portion PAD at one edge of the display portion DA, a first substrate 111 disposed on the display portion DA of the first substrate 111, 2 substrate 113, a liquid crystal layer 300 formed between the first substrate 111 and the second substrate 113, a spacer 200 disposed on the pad portion PAD of the first substrate 111, A lower polarizer 111a disposed on the back surface of the first substrate 111 and an upper polarizer 113a disposed on the upper surface of the second substrate 113 and the spacer 200. [ The detailed description of the display panel 110 has been described above and will be omitted here.

The intermediate frame 120 supports the rear edge of the display panel 110 and provides a space for accommodating the optical sheet 130, the light guide plate 140, the light source unit 150, the reflective sheet 170, and the like.

The adhesive member 120a may be disposed between the intermediate frame 120 and the display panel 110. [ The adhesive member 120a may be, for example, a double-sided tape.

The intermediate frame 120 may have a shape of a polygonal frame having an empty space formed therein. For example, the intermediate frame 120 may have a rectangular frame shape in which an empty space is formed. The intermediate frame 120 may have a single shape or a plurality of separate shapes.

The intermediate frame 120 may be formed of a modified epoxy resin composition such as an epoxy resin composition, a silicone resin composition, or a silicone modified epoxy resin, a modified silicone resin composition such as an epoxy modified silicone resin, a polyimide resin composition, a modified polyimide resin composition, (PPA), polycarbonate resin, polyphenylene sulfide (PPS), liquid crystal polymer (LCP), ABS resin, phenol resin, acrylic resin, and PBT resin.

The optical sheet 130 is disposed on the light guide plate 140 and diffuses or condenses the light transmitted from the light guide plate 140. The optical sheet 130 includes a diffusion sheet, a prism sheet, and a protective sheet. The diffusion sheet, the prism sheet, and the protective sheet are sequentially stacked on the light guide plate 140 in the listed order.

The prism sheet condenses the light guided by the light guide plate 140, the diffusion sheet diffuses the light condensed by the prism sheet, and the protective sheet serves to protect the prism sheet. Light passing through the protective sheet is provided to the display panel 110 side.

The light guide plate 140 uniformly supplies the light provided from the light source unit 150 to the display panel 110. The light guide plate 140 may be formed in a square plate shape, but is not limited thereto, and may be formed in various shapes including a predetermined groove or protrusion depending on the position of the light source.

Although the light guide plate 140 is described as a plate or plate for convenience of explanation, it may be formed in the form of a sheet or a film for slimming down the display device. That is, the light guide plate 140 may include both a plate and a film for guiding light.

The light guide plate 140 may be formed of a material having a light transmitting property such as an acrylic resin such as PMMA (PolyMethylMethAcrylate) or a material such as polycarbonate to efficiently guide the light.

The light source unit 150 includes a printed circuit board 153 on which the light source 151 and the light source 151 are mounted.

The light source 151 may be disposed at an edge portion or an incident side surface of the light guide plate 140. That is, the light source 151 can emit light to the corner portion or the incident side surface of the light guide plate 140. The light source 151 may be at least one light emitting diode (LED) or a light emitting diode chip (Chip). For example, the light source 151 may be a gallium nitride (GaN) -based light emitting diode that emits blue light. The number of the light sources 151 may have various values in consideration of the size of the display panel 110, luminance uniformity, and the like.

 The printed circuit board 153 may be any one of a metal printed circuit board (MPCB) and a metal core printed circuit board (MCPCB). The printed circuit board 153 may be fixed to the lower frame 170 by an adhesive member 153a. The adhesive member 153a may be, for example, a double-sided tape.

 Although not shown in FIG. 5, a wavelength converter (not shown) may be disposed between the light guide plate 140 and the light source unit 150. The wavelength converter (not shown) may include a material for changing the wavelength of light. For example, the wavelength converter may convert the wavelength of the blue light emitted from the blue LED light source into white light.

 The reflective sheet 160 may be made of, for example, polyethylene terephthalate (PET) and may have a reflective property, and one surface thereof may be coated with a diffusion layer containing, for example, titanium dioxide. In addition, the reflective sheet 160 may be formed of a material including a metal such as silver (Ag).

 The lower frame 170 holds the skeleton of the display device and protects various components housed therein. The lower frame 170 may be made of a metal material having good rigidity and heat radiation characteristics. For example, the lower frame 170 may include at least one member selected from the group consisting of stainless steel, aluminum, an aluminum alloy, magnesium, a magnesium alloy, copper, a copper alloy, and an electrogalvanized steel sheet.

 As described above, the display panel and the display device including the display panel according to the present invention can prevent the non-display portion from being viewed without a cover window by using the light shielding member disposed at the edge of the second substrate and the spacer having the print layer disposed on at least one surface thereof have.

 By omitting the cover window disposed on the display panel, the manufacturing cost can be reduced and the assembly can be simplified. Further, a slim display device can be realized.

 While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You can understand that you can. It is therefore to be understood that the embodiments described above are illustrative in all aspects and not restrictive.

110: display panel 111: first substrate
113: second substrate 200: spacer
210: body part 220: printing layer

Claims (25)

A first substrate including a display portion, and a pad portion at one edge of the display portion;
A second substrate disposed on the display portion of the first substrate;
A spacer disposed on the pad portion of the first substrate; And
And a polarizer disposed on the second substrate and the spacer,
Wherein the spacer comprises a body portion, and a printing layer disposed on at least one side of the body portion. The display panel according to claim 1, wherein the print layer is disposed between the first substrate and the body. The display panel according to claim 1, wherein the printing layer is disposed between the body portion and the polarizer. The display panel according to claim 1, wherein the body portion is made of tempered glass or polymer resin . The display panel of claim 1, further comprising a conductive coating layer disposed between the first substrate and the spacer. The display panel according to claim 1, comprising an adhesive member disposed between the first substrate and the spacer. The display panel of claim 1, further comprising: a plurality of pads formed on the pad portion of the first substrate, and at least one flexible printed circuit board connected to the pads. The display panel according to claim 1, comprising a light shielding member disposed on an edge of the second substrate. The display panel according to claim 1, wherein a height from the first substrate to an upper surface of the second substrate is substantially equal to a height from the first substrate to an upper surface of the spacer. The display panel according to claim 1, wherein the spacer is in contact with the second substrate. The display panel according to claim 1, comprising a liquid crystal layer interposed between the first substrate and the second substrate. 12. The display panel according to claim 11, comprising a polarizer disposed on a rear surface of the first substrate. A display panel for displaying an image; And
And a frame supporting a rear edge of the display panel,
In the display panel,
A first substrate including a display portion, and a pad portion at one edge of the display portion;
A second substrate disposed on the display portion of the first substrate;
A spacer disposed on the pad portion of the first substrate; And
And a polarizer disposed on the second substrate and the spacer,
The spacer includes a body portion, and a printing layer disposed on at least one side of the body portion. 14. The display device according to claim 13, wherein the printing layer is disposed between the first substrate and the body portion. 14. The display device according to claim 13, wherein the printing layer is disposed between the body portion and the polarizer. The method of claim 13, wherein the body portion glass or polymer A display panel comprising a resin . 12. The display device according to claim 11, further comprising a conductive coating layer disposed between the first substrate and the spacer. 14. The display device according to claim 13, comprising a light shielding member disposed on an edge of the second substrate. 14. The display device according to claim 13, wherein a height from the first substrate to an upper surface of the second substrate is substantially equal to a height from the first substrate to an upper surface of the spacer. 14. The display device according to claim 13, wherein the spacer is in contact with the second substrate.
A first substrate including a display portion, and a curved portion extending from the display portion and having a first curved surface;
A second substrate disposed on the display portion of the first substrate;
A spacer disposed on the curved portion of the first substrate and having a second curved surface corresponding to the first curved surface; And
And a polarizer disposed on the second substrate and the spacer.
22. The method of claim 21,
Wherein the first substrate includes a plurality of pad portions arranged along a first direction,
Wherein the second curved surface is curved with respect to a bending axis parallel to the first direction,
23. The method of claim 22,
Wherein the spacer comprises a body portion, and a printing layer disposed on at least one side of the body portion, wherein the spacer is attached to the polarizing plate.
24. The method of claim 23,
Wherein the printing layer is attached to the polarizing plate.
24. The method of claim 23,
And the body part is attached to the polarizing plate.

KR1020150154078A 2015-06-10 2015-11-03 Display panel and display device having the same KR20160146477A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/144,930 US10007151B2 (en) 2015-06-10 2016-05-03 Display panel and display device including the same
US16/003,381 US10564484B2 (en) 2015-06-10 2018-06-08 Display panel and display device including the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20150081833 2015-06-10
KR1020150081833 2015-06-10

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