KR20180102924A - Touch lighting apparatus - Google Patents

Abstract

A touch lighting apparatus according to an embodiment of the present invention includes: a substrate on which a light emission region and a conductive region are defined and which includes a sensing electrode arranged on the conductive region; a light source arranged on the substrate and arranged on the light emission region; a conductive member arranged on the substrate and arranged on the conductive region; a light shielding member arranged on the substrate and arranged to surround at least one region of the light emission region and the conductive region; a base material arranged on the light shielding member and including a light transmitting pattern region and a light shielding pattern region; and a conductive pattern arranged on the light shielding pattern region on one side of the base material. A light transmitting pattern is arranged on the light emission region and the conductive pattern includes a first sensing pattern and an extension part extended from the sensing pattern to be connected to the conductive member. Accordingly, the present invention can implement a touch and lighting at the same time and improve brightness.

Description

TOUCH LIGHTING APPARATUS

An embodiment relates to a touch illumination device.

A home appliance such as a refrigerator, a washing machine, or an air conditioner may include a control unit for controlling the operation of the household appliance.

The user can control various operations of the household appliances through such a control unit. For example, the user can operate the control unit of the household appliance using the button unit that implements the click feeling.

In recent years, a touch control unit that removes a button from the control unit and can implement a control unit according to a user's touch operation is applied.

However, when the user touches the control unit, it is unclear whether the user has touched the control unit in the control unit. Thus, there is a problem that repeated touching is required.

Therefore, when the user touches the control unit, if the light is implemented in the control unit, the user can easily recognize whether or not the touch is performed. However, if the light source and the touch electrode are arranged together, There is a problem that the visibility is deteriorated.

Accordingly, there is a need for a touch illumination device of a new structure capable of solving the above problems.

Embodiments provide a touch illumination device capable of simultaneously implementing touch and illumination, and having improved brightness.

A touch illumination apparatus according to an embodiment includes: a substrate including a sensing electrode arranged in the energizing region, the light emergence region and the energizing region being defined; A light source disposed on the substrate and disposed in the light outputting region; An energizing member disposed on the substrate and disposed on the energizing region; A light shielding member disposed on the substrate and disposed to surround at least one of the light output region and the energizing region; A substrate disposed on the light shielding member, the substrate including a light transmitting pattern region and a light shielding pattern region; And a conductive pattern disposed on the light-shielding pattern region on one side of the substrate, wherein the light-transmitting pattern is disposed on the light-outgoing region, and the conductive pattern extends from the first sensing pattern and the sensing pattern, And an extension connected to the energizing member.

A touch illumination apparatus according to another embodiment includes: a substrate including a sensing electrode disposed on the conductive region, the light output region and the conductive region being defined; A light source disposed on the substrate and disposed in the light outputting region; A light shielding member disposed on the substrate and disposed to surround at least one of the light output region and the energizing region; A substrate disposed on the light shielding member, the substrate including a light transmitting pattern region and a light shielding pattern region; And a conductive pattern disposed on the light shielding pattern region on one side of the substrate, the substrate including a first region and a second region extending from the first region by bending toward the substrate, A sensing pattern disposed on the first region; And an extension connected to the sensing pattern and disposed on the second region, wherein the extension is bent in the direction of the substrate and electrically connected to the sensing electrode.

A touch illumination apparatus according to yet another embodiment includes: a substrate including a sensing electrode arranged on the conductive region, the light output region and the conductive region being defined; A light source disposed on the substrate and disposed in the light outputting region; A light shielding member disposed on the substrate and disposed to surround at least one of the light output region and the energizing region; A substrate disposed on the light shielding member, the substrate including a light transmitting pattern region and a light shielding pattern region; And a conductive pattern disposed on the light-shielding pattern region on one side of the substrate, wherein a conductive layer is disposed on an outer surface of the light-shielding member, the conductive layer is connected to the sensing electrode, Lt; / RTI >

The touch illumination device according to the embodiment can simultaneously implement touch and illumination in the icon area.

In detail, the sensing electrode for sensing the touch of the icon region is disposed so as not to overlap with the pattern portion of the icon, and by arranging the light source at a position that does not overlap or overlap with the icon region, when the user touches the icon region, Touch operation and illumination can be implemented.

In addition, since opaque metal such as metal can be used as the sensing electrode in addition to the transparent electrode, the process efficiency can be improved.

Further, since the conductive layer is disposed on the light shielding member to connect the sensing electrode and the touch electrode on the printed circuit board, a separate connecting member and the like can be omitted.

Further, in the touch illumination device according to the embodiment, the sensing electrode and the light source are spaced apart from each other by a predetermined distance, a sensing pattern is formed in the periphery of the light-transmitting pattern region of the substrate, and then the sensing pattern and the sensing electrode are electrically connected , When the sensing electrode and the light source are disposed on the same area on the same substrate. It is possible to prevent a touch malfunction due to the influence of the sensing electrode due to the current applied to the light source and reduce the interference between the sensing electrode and the light source while simultaneously sensing the touch of the icon area.

In addition, by using different light sources for the individual icons, the brightness of each icon can be maintained high and uniform, and interference between the light sources can be prevented in each icon, so that only the icon to be displayed can be viewed .

1 is a top view of a touch illumination device according to an embodiment.
Fig. 2 is a perspective view of region A in Fig. 1. Fig.
3 is a cross-sectional view showing the BB 'region of FIG. 2 cut away.
Fig. 4 is a cross-sectional view of the CC 'region of Fig. 2 cut away.
5 is a view showing another cross-sectional view cut along the line BB 'in FIG.
Fig. 6 is a perspective view of the area D in Fig. 1. Fig.
FIG. 7 is a sectional view showing the EE 'region of FIG. 6 cut away. FIG.
8 is a view showing another cross-sectional view cut along the line EE 'in FIG.
9 is a view showing another perspective view of the area A in Fig.
10 is a cross-sectional view showing the FF 'region of FIG. 9 cut away.
11 to 13 are views for explaining an application example of the touch illumination device according to the embodiment.

In the description of the embodiments, it is to be understood that each layer (film), area, pattern or structure may be referred to as being "on" or "under / under" Quot; includes all that is formed directly or through another layer. The criteria for top / bottom or bottom / bottom of each layer are described with reference to the drawings.

Also, when a part is referred to as being "connected" to another part, it includes not only a case of being "directly connected" but also a case of being "indirectly connected" with another member in between. Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

The thickness or the size of each layer (film), region, pattern or structure in the drawings may be modified for clarity and convenience of explanation, and thus does not entirely reflect the actual size.

Hereinafter, a touch illumination apparatus according to an embodiment will be described with reference to the drawings.

Referring to FIG. 1, a touch illumination apparatus according to an embodiment may include a cover substrate 100 and an icon region IA formed on the cover substrate.

The cover substrate 100 may be transparent. The cover substrate 100 may comprise glass or plastic. The cover substrate 100 may be disposed on top of various members such as a decor member and an illumination member disposed under the cover substrate 100. [

The icon area IA may include a plurality of icon areas IA spaced apart from each other. The icon area IA may be a touch area. The icon area IA may be an illumination area. That is, the icon area IA may be a region where light is emitted together with a touch.

The plurality of icon areas IA may be variously operated according to a user's touch. In detail, when a user's touch is input in the plurality of icon areas IA, light is emitted from the icon area IA, and a signal indicating that the user's touch is input is generated, Can be performed.

2 to 4, the touch illumination device according to the embodiment includes a substrate 200, a light source 300 disposed on the substrate 200, a current carrying member 400 and a light shielding member 500, A sensing electrode 710, and a conductive pattern 720 disposed on the substrate 300. The sensing electrode 710 may be formed of a conductive material.

The substrate 200 and the decor member 600 may be disposed inside the outer frame 900. That is, the outer frame 900 includes the substrate 200, the light source 300, the connecting member 400, the light shielding member 500, the decor member 600, the sensing electrode, Or the like.

In the substrate 200, a light output area LA and a current application area CA may be defined. In detail, the substrate 200 may include the light output area LA, which is an area where light emitted from the light source is emitted, and a current application area CA connecting the sensing electrodes.

The light output area LA and the energizing area CA may be disposed adjacent to each other. The light exit area LA and the energizing area CA may be disposed in contact with each other. The light output area LA and the energizing area CA may be spaced apart from each other.

The area of the light output area LA may be larger than the area of the energizing area CA.

At least one of the light output area LA and the energization area CA may be overlapped with the icon area IA. Alternatively, the light output area LA may be formed to overlap with the icon area IA, and the energization area CA may be formed without overlapping the icon area IA.

The substrate 200 may be disposed under the cover substrate 100. The substrate 200 may include a first base substrate 210 and an electrode 220 disposed on the first base substrate 210.

The first base substrate 210 may comprise plastic. For example, the first base substrate 210 may include polyimide (PI).

The electrode 220 may be disposed on the first base substrate 210. The electrode 220 may include a conductive material. The electrode 220 may include a metal. The electrode 220 may include a plurality of electrode patterns. A plurality of electrode patterns may be formed on the first base substrate 210 to form a plurality of electrodes.

Various electrode patterns such as a terminal electrode pattern for electrically connecting the light source 300 and a sensing electrode pattern for recognizing a touch of the user connected to the conductive member 400 are disposed on the first base substrate 210 in detail .

For example, the sensing electrode 710 may be disposed on the first base substrate 210. The sensing electrode 710 may be driven in a self-capping manner. That is, when the user touches the sensing electrode 710, the capacitor value of the sensing electrode changes, and the touch of the user can be recognized according to the amount of change of the capacitor value. That is, the substrate 200 may include a sensing electrode 710 that senses a user's touch among the plurality of electrodes 220 and is connected to the driving chip.

For example, the substrate 200 may be a printed circuit board including a sensing electrode for recognizing a touch, but the embodiment is not limited thereto.

The light source 300 may be disposed on the substrate 200. The light source 300 may be disposed in the light output area LA of the substrate 200.

The light source 300 may be connected to the electrode of the substrate 200. For example, the light source 300 may include a terminal portion, and the terminal portion and the terminal electrode pattern may be connected to each other.

For example, the light source 300 may include a light emitting diode (LED). The light source 300 may be disposed on an area of the substrate 200 that overlaps the icon area IA. Alternatively, the light source 300 may be disposed on an area of the substrate 200 that is not overlapped with the icon area IA.

The light source 300 can emit light. For example, the light source 300 may emit light in the direction of the cover substrate 100. The light source 300 may emit light in the direction from the light outputting region LA of the substrate 200 to the cover substrate 100. [

The light source 300 may emit light upward in a direction perpendicular to one surface of the substrate 200. In detail, the light source 300 is disposed on the area of the substrate 200 overlapping the icon area IA, and can emit light in the direction of the cover substrate 100.

Alternatively, the light source 300 may emit light in a lateral direction parallel to one surface of the substrate 200. In detail, the light source 300 is disposed on the area of the substrate 200 that does not overlap with the icon area IA, and includes a separate member such as a light guide plate and / or a reflective member for changing the movement of the light upward It is possible to emit light in the direction of the cover base material 100. [

At least one light source 300 may be disposed on the substrate 200. For example, one or a plurality of light sources may be disposed on the substrate 200 according to the size of the icon area IA.

The conductive member 400 may be disposed on the substrate 200. The conductive member 400 may include an elastic material. For example, the energizing member 400 may include an elastic material such as polyurethane.

The conductive member 400 may protrude from the upper surface of the substrate 200. That is, the energizing member 400 may be disposed on the substrate 200 with a predetermined height.

Conductive material may be disposed on the outer surface of the conductive member 400. For example, mesh-shaped electrodes may be disposed on the upper surface, the side surface, and the lower surface of the conductive member 400. Accordingly, the conductive member 400 may have conductivity.

The energizing member 400 may be connected to the sensing electrode 710. For example, a conductive layer may be disposed between the energizing member 400 and the sensing electrode 710. A conductive adhesive layer including an anisotropic conductive film (ACF) may be disposed between the conductive member 400 and the sensing electrode 710. The conductive member 400 and the sensing electrode 710 may be electrically .

The conductive member 400 may be connected to the conductive pattern 720 to be described later. For example, a conductive layer may be disposed between the conductive member 400 and the conductive pattern 720. A conductive adhesive layer including an anisotropic conductive film (ACF) or the like may be disposed between the conductive member 400 and the conductive pattern 720. The conductive member 400 and the conductive pattern 720 may be electrically .

However, the embodiment is not limited thereto, and the energizing member 400 may be disposed in direct contact with the sensing electrode 710 and the conductive pattern 720.

The conductive member 400 may connect the conductive pattern to be described below with the sensing electrode of the substrate 200. That is, the conductive pattern and the sensing electrode of the substrate 200 may be electrically connected by the conductive member 400.

The light blocking member 500 may be disposed on the substrate 200. The light shielding member 500 may be disposed so as to surround at least one of the light output area LA and the energizing area CA. The light shielding member 500 may be disposed to surround at least one of the light source 300 and the current carrying member 400 on the substrate 200.

The light shielding member 500 may be formed separately from the outer frame 900. That is, the light shielding member 500 may be disposed inside the outer frame 900. Alternatively, the light shielding member 500 may be formed integrally with the outer frame 900.

The light shielding member 500 may be disposed in direct or indirect contact with other members such as the conductive pattern 720, the decor layer 620, and the like on the light shielding member 500. For example, an adhesive layer 530 including black PET tape is disposed between the light-shielding member 500 and other members such as the conductive pattern 720 and the decor layer 620, and the light- 500, the conductive pattern 720, and the decor layer 620 may be adhered to each other through the adhesive layer 530.

The light shielding member 500 may include a concave portion that is recessed from the light output area LA into the energizing area CA. Further, the energizing member 400 may be disposed in the concave portion of the light shielding member 500. The concave portion may be formed in a circular shape such as a semicircle and a circle, or a polygonal shape such as a square and a triangle.

The light shielding member 500 may be disposed on the substrate 200 corresponding to each icon region. The light shielding member 500 may function to prevent light emitted in the direction of each icon region from being incident on another icon region. That is, the light emitted from the light source 300 by the light shielding member 500 can be emitted only in a specific icon region direction.

That is, a plurality of light shielding members may be disposed on the substrate 200 so as to surround at least one of the light sources and / or the energizing members on the respective icon regions.

A reflective member may be further disposed on the inner surface of the light shielding member 500. For example, a reflective member including a metal may be disposed on the inner surface of the light shielding member 500 facing the light source 300.

Accordingly, it is possible to reduce the amount of light incident on the side surface of the light blocking member or incident on the inner side surface and lost to the outside, thereby improving the light efficiency and the brightness of light emitted to the icon region.

The light shielding member 500 may be arranged to surround only the light output area. The light shielding member 500 may be disposed to surround only the light source.

Alternatively, the light shielding member 500 may be disposed to surround the light outputting region and the energizing region. The light shielding member 500 may be disposed to surround the light source and the energizing member. For example, the light source and the energizing member for realizing the operation and illumination of one icon region can be arranged surrounded by one light shielding member. Alternatively, the light source and the energizing member for realizing the operation and the illumination of one icon area may be arranged surrounded by the respective light shielding members. Further, the respective shielding members may be disposed in contact with each other or may be disposed apart from each other.

The light shielding member may include plastic. For example, the light shielding member may include polycarbonate or acrylic resin.

The light shielding member 500 may be opaque. For example, the light shielding member 500 may be colored. For example, the light shielding member 500 may be formed in black.

The transmittance of the light shielding member 500 can be lowered. The transmittance of the light shielding member 500 may be about 1% or less. That is, the light shielding rate of the light shielding member 500 may be about 99% or more.

The decor member 600 may be disposed on the substrate 200. In detail, the decor member 600 may be disposed on the light source 300, the energizing member 400, and the light shielding member 500 on the substrate 200.

The decor member 600 may include a substrate 610 and a decor layer 620 on the substrate 610. The decor layer may be disposed below the substrate 610. The decor layer 620 may be disposed between the substrate 200 and the substrate 610.

The substrate 610 may include a light-transmitting pattern area PA and a light-shielding pattern area NPA. In detail, the substrate 610 may include the light-transmitting pattern area PA overlapping the icon area IA.

The light projecting pattern area PA may be formed in the shape of a logo and / or an icon, and the shape of the light projecting pattern area PA may be visually recognized from the outside by light emitted from the lower part to the upper part. In detail, the shape of the light transmission pattern area PA may correspond to the shape of the icon area IA.

The decor layer 620 may include a first decor layer 621 and a second decor layer 622. In detail, the decor layer 620 may include a first decor layer 621 disposed on the light transmission pattern area PA and a second decor layer 622 disposed on the light shield pattern area NPA. have.

The first decoupled layer 621 may transmit light, and the second decoupled layer 622 may not transmit light. In addition, the first decor layer 621 and the second decor layer 622 may be implemented in different colors. For example, the first decor layer 621 may be implemented using a colored ink, and the second decor layer 622 may be implemented using black or white ink or the like so that light is not transmitted.

Further, both the first decor layer 621 and the second decor layer 622 can transmit light. The first deco layer 621 and the second deco layer 622 can be formed with the light transmittance of the first deco layer 621 being relatively higher than the light transmittance of the second deco layer 622 .

For example, the first decor layer 621 may be formed by using a colored ink in the second decor layer 622 without using a colored ink, or by using the colored ink in the first decor layer 621 and the second decor layer 622, The light transmittance of the first deco layer 621 can be made higher than the light transmittance of the second deco layer 622 while using a color ink.

The first decor layer 621 and / or the second decor layer 622 may include ink. The first decor layer 621 and / or the second decor layer 622 may comprise an ink composition comprising a pigment.

In addition, the first decor layer 621 and / or the second decor layer 622 may further include scattering materials. For example, the first decor layer 621 and / or the second decor layer 622 may comprise an ink composition comprising a pigment and a scattering material. That is, the ink composition may be a diffusion ink.

The ink composition may be formed by mixing the pigment and the scattering material. For example, the ink composition may be mixed by introducing the pigment and the scattering material into an alcohol-based or water-containing solvent. In order to uniformly disperse the scattering material in the solvent, a separate dispersing agent may be further included.

The pigment may be added to color the ink composition. For example, the pigment may include pigments that emit various colors such as blue, yellow, and red depending on colors to be implemented in the light-transmitting pattern area PA and the light-shielding pattern area NPA.

The scattering material may comprise a diffusion bead. For example, the scattering material may comprise at least one diffusion bead of silicon dioxide (SiO2) and titanium dioxide (TiO2).

Accordingly, the uniformity of the light passing through the light transmission pattern area PA can be improved.

Accordingly, the light emitted from the light source 300 can pass through the first decor layer 621 and emit light toward the icon area IA.

The conductive pattern 720 may be disposed on the decor layer 620. In detail, the conductive pattern 720 may be disposed between the decor layer 620 and the substrate 200.

The conductive pattern 720 may include a conductive material. For example, the conductive pattern 720 may include a metal. For example, the conductive pattern 720 may include at least one of chromium (Cr), nickel (Ni), copper (Cu), aluminum (Al), silver (Ag), and molybdenum (Mo). Gold (Au), titanium (Ti), and alloys thereof. The conductive pattern 720 may be formed using a conductive paste or a conductive ink containing the metal.

Alternatively, the conductive pattern 720 may include at least one of indium tin oxide, indium zinc oxide, copper oxide, tin oxide, zinc oxide, titanium oxide, and titanium oxide.

Alternatively, the conductive pattern 720 may include a nanowire, a photosensitive nanowire film, a carbon nanotube (CNT), a graphene, a conductive polymer, or a mixture thereof.

Alternatively, the conductive pattern 720 may be formed in a mesh shape. In detail, the sensing electrode 700 may include a plurality of sub-electrodes, and the sub-electrodes may be arranged to intersect with each other in a mesh shape.

In detail, the conductive pattern 720 may include a mesh line and a mesh opening between the mesh lines by a plurality of sub-electrodes crossing each other in a mesh shape.

The line width of the mesh line may be about 0.1 탆 to about 10 탆. The mesh line having a line width of the mesh line less than about 0.1 탆 may not be possible in the manufacturing process, and when the line width is more than about 10 탆, the sensing electrode pattern may be visually recognized from outside and visibility may be deteriorated. In detail, the line width of the mesh line may be about 1 탆 to about 5 탆. More specifically, the linewidth of the mesh wire may be between about 1.5 microns and about 3 microns.

Further, the thickness of the mesh line may be about 100 nm to about 1000 nm. If the thickness of the mesh wire is less than about 100 nm, the electrode resistance may be increased and the electrical characteristics may be deteriorated. If the thickness of the mesh wire is more than about 1000 nm, the overall thickness of the touch illumination device may become thick and the process efficiency may be lowered. In detail, the thickness of the mesh wire may be about 150 nm to about 500 nm. More specifically, the thickness of the mesh line may be from about 180 nm to about 200 nm.

In addition, the mesh opening may be formed in various shapes. For example, the mesh opening may have various shapes such as a square shape, a diamond shape, a pentagon, a hexagonal polygonal shape, or a circular shape. Further, the mesh opening may be formed in a regular shape or a random shape.

The conductive pattern 720 may be disposed on a region that does not overlap the light transmission pattern region PA. The conductive pattern 720 may be disposed on a region that is not overlapped with the first decor layer 621. In detail, the conductive pattern 720 may be disposed on the light-shielding pattern region NPA. In detail, the conductive pattern 720 may be disposed on the second decor layer 622. In detail, the conductive pattern 720 may be disposed only on the light shielding pattern area NPA. In detail, the conductive pattern 720 may be disposed only on the second decor layer 622.

The conductive pattern 720 may include a sensing pattern 721 and an extension 722 extending from the sensing pattern 721. In detail, the conductive pattern 720 includes the sensing pattern 721 on the second decor layer 622 corresponding to the light output area, and the sensing pattern 721 on the second decor layer 622 corresponding to the energizing area. (Not shown).

The sensing pattern 721 and the extension 722 may be connected to each other. The sensing pattern 721 and the extension 722 may be integrally formed.

The sensing pattern 721 may be disposed on a region corresponding to the light outputting region and not overlapping the light emitting pattern region PA and overlapping the light blocking pattern region PA.

For example, the detection pattern 721 may be disposed surrounding the light projection pattern area PA forming the icon area.

Alternatively, the sensing pattern 721 may include a plurality of sensing patterns. The plurality of sensing patterns may surround the light emitting pattern region, and may be disposed between the light emitting pattern regions and connected to each other.

The extending portion 722 may be connected to the energizing member 400.

In detail, the extended portion 722 disposed on the energizing area CA may be connected to the upper surface of the energizing member 400. That is, the extending portion 722 disposed on the energizing area CA may be disposed in contact with the upper surface of the energizing member 400.

Accordingly, the conductive pattern 720 may be electrically connected to the sensing electrode of the substrate 200 by the conductive member 400.

A translucent member 800 may be disposed on the decor member 600. The translucent member 800 may be disposed between the decor member 600 and the cover substrate 100.

The translucent member 800 may include a half mirror film.

The translucent member 800 may include a second base substrate 810 and a metal layer 820 on the second base substrate 810. The metal layer 820 may be disposed between the second base substrate 810 and the substrate 200.

The translucent member 800 may be colored. The translucent member 800 can transmit light. For example, the translucency member 800 may have a light transmittance of about 40% to about 50%.

The metal layer 820 may form a pattern layer. The appearance color of the translucent member 800 can be varied by the pattern layer.

Hereinafter, a touch illumination apparatus according to another embodiment will be described with reference to FIG. In the description of the touch illuminating device according to another embodiment, the same or similar explanations to those of the touch illuminating device according to the above-described embodiment are not described, and the same reference numerals are assigned to the same constituent elements.

Referring to FIG. 5, a touch illumination apparatus according to another embodiment may omit the substrate 610 that supports the decor layer 620.

In detail, the decor layer 620 may be disposed on the translucent member 800. That is, the decor layer 620 may be disposed on the metal layer 820 of the translucent member 800. That is, the decor layer 620 may be disposed in contact with the metal layer 820.

Accordingly, the touch illumination device according to another embodiment can simplify the lamination structure of the touch illumination device. Further, since a separate substrate for supporting the decor layer can be omitted, the overall thickness of the touch illumination device can be reduced. Further, since a separate substrate for supporting the decor layer can be omitted, it is possible to prevent refraction of light and decrease in transmittance according to the substrate, and it is possible to improve the brightness of light emitted to the icon area.

Hereinafter, a touch illumination apparatus according to another embodiment will be described with reference to FIGS. 6 to 8. FIG. In the description of the touch illuminating device according to another embodiment, the same or similar explanations to those of the touch illuminating devices according to the above-described embodiment are not described, and the same reference numerals are assigned to the same constituent elements.

Referring to Figs. 6 and 8, in the touch illumination device according to still another embodiment, the energizing member 400 may be omitted.

In detail, a light source 300 may be disposed on the substrate 200. In addition, the substrate 200 may include a sensing electrode 710 spaced apart from the light source 300.

The light source 300 may be disposed on a light output area of the substrate 200 and the sensing electrode 710 may be disposed on a power application area CA of the substrate 200.

The light shielding member 500 may be disposed so as to surround at least one of the light output area LA and the energizing area CA.

The decor member 600 may include a substrate 610 and a decor layer 620. The substrate 610 may include a first region 1A and a second region 2A. In detail, the first region 1A may include a flat surface. Also, the second region 2A may be bent and extended from the first region 1A. In detail, the second region 2A may be bent and extended in the direction of the substrate 200 from the first region 1A.

The decor layer 620 may be disposed on at least one of the first area 1A and the second area 2A. For example, the decor layer 620 may be disposed only on the first area 1A, or the decor layer 620 may be disposed on both the first area 1A and the second area 2A A conductive pattern 720 may be disposed under the decor layer 620. [0064] Referring to FIG.

The conductive pattern 720 may include a sensing pattern 721 and an extended portion 722 extending from the sensing pattern 721.

In detail, the conductive pattern 720 may include the sensing pattern 721 disposed on the first region 1A and the extended portion 722 disposed on the second region 2A.

The sensing pattern 721 and the extension 722 may be connected to each other. The sensing pattern 721 and the extension 722 may be integrally formed with each other.

As the second region 2A is bent and extended from the first region 1A toward the substrate 200, the extension 722 on the second region 2A is aligned with the first region 1A The sensing pattern 721 may be bent and extended from the sensing pattern 721.

In detail, the extended portion 722 may be bent and extended from the sensing pattern 721 toward the substrate 200. In detail, the extending portion 722 may extend from the sensing pattern 721 in the direction of the sensing electrode 710 of the substrate 200.

A connector 750 may be disposed on the sensing electrode 710. For example, the connector 750 may include a Zif connector.

The extending portion 722 extending from the sensing pattern 721 toward the sensing electrode 710 of the substrate 200 may be connected to the sensing electrode 710 through the connector 750. For example, the connector 750 may have a groove for receiving the extension 722, and the extension 722 may be inserted into the groove formed in the connector 750. In order to improve the coupling force of the extended portion 722, another reinforcing member may be further disposed in the connection region of the extension portion 722 and the connector 750. Alternatively, And may be disposed at an end of the extension portion 722. The extending portion 722 extending from the sensing pattern 721 toward the sensing electrode 710 of the substrate 200 may be connected to the sensing electrode 710 through the connector 750. For example, the connector 750 may have a groove for receiving the sensing electrode 710, and the sensing electrode 710 may be inserted into the groove formed in the connector 750. In order to improve the coupling force of the sensing electrode 710, a separate reinforcing member may be further disposed in a connection region between the sensing electrode 710 and the connector 750.

Accordingly, the conductive pattern 720 and the sensing electrode 710 can be electrically connected by the connector 750.

A protective layer 780 may be disposed on the conductive pattern 720. In detail, a protective layer 780 may be disposed on the conductive pattern 720 disposed on the second decoupled layer 622.

The protective layer 780 may be disposed only on the conductive pattern 720 disposed on the second decor layer 622 or may be disposed on the first decor layer 621 and the second decor layer 622, And may be disposed on the conductive pattern 720 disposed on the conductive pattern 720. That is, the protective layer 780 may be disposed on at least one of the first decor layer 621 and the second decor layer 622.

That is, the protective layer 780 is disposed only on the conductive pattern 720 at a position corresponding to the bendable second region 1A, or the protective layer 780 is disposed only on the flat first region The conductive pattern 720 corresponding to the first region 1A and the conductive pattern 720 corresponding to the second region 1A bent can be disposed on the conductive pattern 720. The protective layer 780 is formed on the conductive pattern 720, (720). In detail, it is possible to reduce the generation of cracks due to stress due to bending of the conductive pattern 720 bent in the direction of the driving chip (C) of the substrate by the protective layer 780.

Hereinafter, a touch illumination apparatus according to another embodiment will be described with reference to Figs. 9 and 10. Fig. In the description of the touch illuminating device according to another embodiment, the same or similar explanations to those of the touch illuminating devices according to the above-described embodiment are not described, and the same reference numerals are assigned to the same constituent elements.

Referring to Figs. 9 and 10, in the touch illumination apparatus according to another embodiment, the energizing member and the connecting member may be omitted.

Referring to FIGS. 9 and 10, a conductive layer 550 may be disposed on the outer surface of the light shielding member 500. In detail, the conductive layer 550 may be disposed on the upper surface and the side surfaces of the light shielding member 500. The conductive layer 550 may extend to the upper surface of the first base substrate 210 and be in contact with the sensing electrode 710.

The conductive pattern 720 may extend to a position corresponding to the upper surface of the light shielding member 500. The conductive pattern 720 may be disposed on the upper surface of the light shielding member 500. In detail, the conductive pattern 720 may be disposed in contact with the conductive layer 550 disposed on the upper surface of the light shielding member 500.

That is, the conductive layer 550 may electrically connect the conductive pattern 720 and the sensing electrode 710. In other words, the illumination device according to another embodiment can electrically connect the conductive pattern and the sensing electrode without requiring a separate member that connects the conductive pattern and the sensing electrode or the conductive pattern with the driving chip .

In addition, the conductive layer 550 may reflect light incident in the lateral direction of the light shielding member 500 in the upward direction among the light emitted from the light source 300.

Accordingly, it is possible to reduce the amount of light incident on the side surface of the light shielding member or incident on the inner side surface and lost to the outside, thereby improving the light efficiency and the brightness of light emitted to the icon region.

The touch illumination device according to embodiments can simultaneously implement touch and illumination in the icon area.

In detail, the sensing electrode for sensing the touch of the icon region is disposed so as not to overlap with the pattern portion of the icon, and by arranging the light source at a position that does not overlap or overlap with the icon region, when the user touches the icon region, Touch operation and illumination can be implemented.

In addition, since opaque metal such as metal can be used as the sensing electrode in addition to the transparent electrode, the process efficiency can be improved.

Further, since the conductive layer is disposed on the light shielding member to connect the sensing electrode and the touch electrode on the printed circuit board, a separate connecting member and the like can be omitted.

Further, in the touch illumination device according to the embodiment, the sensing electrode and the light source are spaced apart from each other by a predetermined distance, a sensing pattern is formed in the periphery of the light-transmitting pattern region of a separate substrate, and then the sensing pattern and the sensing electrode are electrically connected , When the sensing electrode and the light source are disposed on the same area on the same substrate. It is possible to prevent a touch malfunction due to the influence of the sensing electrode due to the current applied to the light source and reduce the interference between the sensing electrode and the light source while simultaneously sensing the touch of the icon area.

In addition, by using different light sources for the individual icons, the brightness of each icon can be maintained high and uniform, and interference between the light sources can be prevented in each icon, so that only the icon to be displayed can be viewed .

Hereinafter, an application example of a household electric appliance to which the touch illumination device according to the above-described embodiment is applied will be described with reference to Figs. 11 to 13. Fig.

Referring to FIG. 11, the touch illumination device according to the embodiment can be applied to a control unit of an air conditioner. In detail, the touch illumination device according to the embodiment can be applied to the control part of the air conditioner and can be applied to control the wind intensity, temperature, time, and the like.

Referring to FIG. 12, the touch illumination device according to the embodiment can be applied to a refrigerator. In detail, the touch illumination device according to the embodiment can be applied to the control part of the refrigerator, and can be applied to control the temperature, time, and the like.

Referring to FIG. 13, the touch illumination device according to the embodiment can be applied to a washing machine. In detail, the touch illumination device according to the embodiment can be applied to the control unit of the washing machine, and can be applied to control time, function, and the like.

The features, structures, effects and the like described in the foregoing embodiments are included in at least one embodiment of the present invention and are not necessarily limited to one embodiment. Further, the features, structures, effects, and the like illustrated in the embodiments may be combined or modified in other embodiments by those skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the present invention. It can be seen that various modifications and applications are possible. For example, each component specifically shown in the embodiments may be modified and implemented. It is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics thereof.

Claims (13)

A substrate including a sensing electrode arranged in the energizing region, wherein a light output region and a energizing region are defined;
A light source disposed on the substrate and disposed in the light outputting region;
An energizing member disposed on the substrate and disposed on the energizing region;
A light shielding member disposed on the substrate and disposed to surround at least one of the light output region and the energizing region;
A substrate disposed on the light shielding member, the substrate including a light transmitting pattern region and a light shielding pattern region; And
And a conductive pattern disposed on the light-shielding pattern region on one side of the substrate,
Wherein the light projection pattern is disposed on the light output area,
Wherein the conductive pattern includes a first sensing pattern and an extension extending from the sensing pattern and connected to the energizing member. A substrate including a sensing electrode arranged on the energizing region, wherein a light output region and a energizing region are defined;
A light source disposed on the substrate and disposed in the light outputting region;
A light shielding member disposed on the substrate and disposed to surround at least one of the light output region and the energizing region;
A substrate disposed on the light shielding member, the substrate including a light transmitting pattern region and a light shielding pattern region; And
And a conductive pattern disposed on the light-shielding pattern region on one side of the substrate,
The substrate includes a first region and a second region extending from the first region in a direction bending toward the substrate,
The conductive pattern includes a sensing pattern disposed on the first region; And an extension connected to the sensing pattern and disposed on the second region,
Wherein the extended portion is bent in the direction of the substrate and electrically connected to the sensing electrode. A substrate including a sensing electrode arranged on the energizing region, wherein a light output region and a energizing region are defined;
A light source disposed on the substrate and disposed in the light outputting region;
A light shielding member disposed on the substrate and disposed to surround at least one of the light output region and the energizing region;
A substrate disposed on the light shielding member, the substrate including a light transmitting pattern region and a light shielding pattern region; And
And a conductive pattern disposed on the light-shielding pattern region on one side of the substrate,
A conductive layer is disposed on an outer surface of the light shielding member,
The conductive layer is connected to the sensing electrode,
Wherein the conductive pattern is connected to the conductive layer. 4. The method according to any one of claims 1 to 3,
And a translucent member disposed on an upper portion of the substrate. 4. The method according to any one of claims 1 to 3,
Wherein at least one of the sensing electrode and the conductive pattern comprises a metal. 4. The method according to any one of claims 1 to 3,
Wherein the conductive pattern overlaps with the light-shielding pattern region and is disposed so as not to overlap with the light-transmitting pattern region. 4. The method according to any one of claims 1 to 3,
Wherein the light emitted from the light source is emitted upwardly or laterally. 9. The method of claim 8,
Wherein the light source is overlapped with at least one of the light-transmitting pattern region and the light-shielding pattern region. 3. The method according to claim 1 or 2,
Wherein the light shielding member includes a side surface facing the light source,
And a reflective member is disposed on the side surface. 3. The method of claim 2,
And a connector for connecting the conductive pattern and the sensing electrode. 3. The method of claim 2,
And a protective layer disposed on the conductive pattern. 4. The method according to any one of claims 1 to 3,
Further comprising a decor layer disposed on one side of the substrate,
Wherein the decor layer comprises: a first decor layer disposed on the light transmission pattern region; And a second decor layer disposed on the light shielding pattern area,
And the conductive pattern is disposed on the second decor layer. The method according to claim 1,
Wherein the light shielding member includes a concave portion that is recessed into the energizing region in the light outputting region, and the energizing member is disposed in the concave portion.

Images