WO2004114342A1 - An indicator displaying the electrical appliances performance and preparation method thereof - Google Patents

An indicator displaying the electrical appliances performance and preparation method thereof Download PDF

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Publication number
WO2004114342A1
WO2004114342A1 PCT/KR2003/001273 KR0301273W WO2004114342A1 WO 2004114342 A1 WO2004114342 A1 WO 2004114342A1 KR 0301273 W KR0301273 W KR 0301273W WO 2004114342 A1 WO2004114342 A1 WO 2004114342A1
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WO
WIPO (PCT)
Prior art keywords
layer
frame
signs
lighting apparatus
display device
Prior art date
Application number
PCT/KR2003/001273
Other languages
French (fr)
Inventor
Jong-Soon Bae
Original Assignee
Ekolite Co., Inc
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.)
Filing date
Publication date
Application filed by Ekolite Co., Inc filed Critical Ekolite Co., Inc
Priority to AU2003244263A priority Critical patent/AU2003244263A1/en
Publication of WO2004114342A1 publication Critical patent/WO2004114342A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks

Definitions

  • the present invention relates to a display device for an electrical appliance and a preparation method thereof, and more particularly to a display device for an electrical appliance which enables users to use easily electrical appliances by efficiently displaying various buttons and signs including numbers, characters, special characters and symbols printed on the display device having a character board or various buttons for setting a mode of the electrical appliances such as a communication device (cellular phone, wire/wireless home telephone, PDA, electronic calculator, desktop computer, notebook computer, facsimile, etc.), TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller.
  • a preparation method of the display device for the electrical appliance is also provided.
  • a display device having a character board and various buttons for setting a mode is mounted on an electrical appliance.
  • Characters and numbers can be inputted to a communication device including a cellular phone, wire/wireless home telephone, PDA, desktop computer, notebook computer and facsimile by touch typing of the character board, and a mode such as power, play, eject and rewind can be set in a TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller by operations of the buttons.
  • the electrical appliance performs a few modes by operating the buttons. In order to improve convenience of the electrical appliance, it is necessary to visually provide the current mode of the electrical appliance to the user.
  • light emitting diodes are installed in an indicator with- transparent material and illuminate the indicator, so that the user can easily discriminate positions and signs of key buttons in a dark place.
  • an E.L. sheet having a sequential layer structure of a protection layer made of a transparent film, an ITO layer, a fluorescent layer coated with a fluorescent material, a dielectric layer, a rear surface electrode layer, an insulation film layer, and a shield layer electrically connected to the rear surface electrode layer is installed between a key button contact point sheet installed in an indicator and a lower casing or between an indicator support plate and key buttons.
  • a power terminal of the E.L. sheet is connected to a control unit built in a keyboard, to illuminate the plurality of key buttons.
  • the conventional indicator displays the signs flat, so that the user cannot easily recognize and discriminate the signs.
  • An object of the present invention is to provide a display device for an electrical appliance which can display signs in three dimensions.
  • the signs include numbers, characters, special characters and symbols formed on the display device having a character board or various buttons for setting a mode of the electrical appliances such as a communication device, TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller.
  • the present invention provides a display device for an electrical appliance, comprising lighting apparatus disposed in a predetermined part of the display device; and a display panel being installed at the front side of the lighting apparatus, having signs such as numbers, characters, special characters and symbols formed on the display device provided with a character board and various buttons for setting a mode of the electrical appliances, wherein light irradiated by the lighting apparatus is emitted through a gap between a first frame and a second frame of the display panel, and an indication sign layer of the first frame and a neon layer of the second frame having the same color to generate the halo effect and neon effect, whereby signs of the display device are displayed in three dimensions.
  • the present invention also provides a preparation method thereof.
  • Fig. 1 is a perspective diagram illustrating disassembly of a display device for an electrical appliance according to the embodiment of the present invention
  • Fig. 2 is a status diagram illustrating a printing principle of a display panel according to the present invention
  • Fig. 3 is a side-sectional diagram illustrating constitutional elements of the display device for an electrical appliance according to the embodiment the present invention
  • Fig. 4 is an exemplary diagram illustrating the display device for an electrical appliance according to the embodiment of the present invention
  • Fig. 5 is a flowchart showing sequential steps of a preparation method of the display device for an electrical appliance according to the present invention
  • Fig. 6a is a flowchart showing sequential steps of a preparation method of a first frame of the display device for an electrical appliance according to the present invention
  • Fig. 6b is a flowchart showing sequential steps of a preparation method of a second frame of the display device for an electrical appliance according to the present invention.
  • a display device for an electrical appliance is composed of one or plurality number of lighting apparatus for generating light disposed in a predetermined part of the display device, and a display panel installed at the front side of the lighting apparatus.
  • Exemplary electrical appliances include general electric home appliances such as a communication device, TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller.
  • general electric home appliances such as a communication device, TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller.
  • Exemplary communication devices include various information and communication devices such as a cellular phone, wire/wireless home telephone, PDA, electronic calculator, desktop computer, notebook computer and facsimile.
  • the display device implies a front panel having various buttons for setting a mode for operating the product, such as power, multiple language, stereo, play, eject and rewind; and various characters for notifying an operation state of the product.
  • the display device includes a character board for inputting characters, and signs of a keyboard.
  • the lighting apparatus is mounted on the top surface of an inside circuit board of. the display device by soldering.
  • one or a plurality of lighting apparatus can be installed according to the number of the buttons for displaying the operation state of the mode, the character board and the key buttons of the keyboard.
  • the lighting apparatus is installed as many as the number of the buttons for displaying the operation state of the mode, the character board and the key buttons of the keyboard.
  • the display panel is composed of a transparent plate, a first frame adhered to or printed on the front surface of the transparent plate, and a second frame of light transmittable frame adhered to or printed on the rear surface of the transparent plate.
  • the first frame is composed of an indication sign layer on which signs such as numbers, characters, special characters and symbols formed on a character board or various buttons for setting a mode of various electrical appliances are printed; and a reflection layer formed as the same shape as the signs, for reflecting light to achieve the halo effect using a light source.
  • the second frame is composed of a background color layer which is a background of the indication sign layer except for the signs of the indication sign layer; a white layer; a shade layer for intercepting light from the light source in the above area in which the signs are not formed; a reflection layer for increasing brightness of light by reflecting light; a neon layer for adding a color for the neon effect; and a diffusion layer for diffusing light.
  • a background color layer which is a background of the indication sign layer except for the signs of the indication sign layer
  • a white layer a shade layer for intercepting light from the light source in the above area in which the signs are not formed
  • a reflection layer for increasing brightness of light by reflecting light
  • a neon layer for adding a color for the neon effect
  • a diffusion layer for diffusing light.
  • the neon effect of the present invention implies a diffusing effect of light generated by using the color of the indication sign layer and the color for the halo effect as same color group.
  • Fig. 1 is a perspective diagram illustrating disassembly of a display device for an electrical appliance according to the embodiment of the present invention
  • Fig. 2 is a status diagram illustrating a printing principle of a display panel according to the present invention
  • Fig. 3 is a side-sectional diagram illustrating constitutional elements of the display device for an electrical appliance according to the embodiment of the present invention.
  • the display device for an electrical appliance is composed of one or a plurality of lighting apparatus 10 disposed in a predetermined part of the display device, and a display panel 20 which is installed where the lighting apparatus 10 irradiates the light (that is front side of the lighting apparatus).
  • one or plurality number of lighting apparatus 10 is installed depending on the number of buttons for displaying an operation state, and key buttons of a character board or a keyboard.
  • the display panel 20 is comprised of a first frame 30 on which signs 60 are formed; a transparent plate 22 formed with a certain thickness, for transmitting light of the lighting apparatus 10; and a second frame 40 installed separately from the first frame 30 with a certain distance by the transparent plate 22, for transmitting light of the lighting apparatus 10 to the first frame
  • the first frame 30 is comprised of an indication sign layer 32 on which the signs 60 such as numbers, characters, special characters and symbols formed on the character board or various buttons for setting a mode of electrical appliance are printed; and a reflection layer 34 printed in the same shape as the signs 60, for reflecting light for the halo effect to a background color layer 41 which will later be explained.
  • the reflection layer 34 is adhered or printed as the same shape as the indication sign layer 32.
  • the second frame 40 is comprised of a background color layer 41 which is a background of the signs 60; a white layer 42 formed to clearly display a background color of the background color layer 41 ; a shade layer 43 for intercepting light from the lighting apparatus 10 in an area on which the signs 60 are not formed; a reflection layer 44 for increasing brightness of light by reflecting light from the lighting apparatus 10; a neon layer 45 for adding a color for the neon effect; and a diffusion layer 46 formed on the front surface of the lighting apparatus 10 as the same size as the display panel 22, for diffusing light from the lighting apparatus 10.
  • the background color layer 41, the white layer 42, the shade layer 43 and the reflection layer 44 are shaped as the first frame 30 without the printed signs 60 and are formed slightly larger than the signs 60 of the first frame 30 which leads to form a little gap.
  • the neon layer 45 is formed between the diffusing layer 46 and the reflection layer 44 as the same shape as the signs 60 for the neon effect.
  • the neon layer 45 is formed large enough to cover the gap between the first frame 30 and the second frame 40.
  • the reflection layer 44 of the second frame 40 reflects light irradiated from the lighting apparatus 10.
  • the reflected light is reflected back by a circuit board 50 behind the lighting apparatus 10, and transmitted through the second frame 40.
  • the indication sign layer 32 and the reflection layer 34 of the first frame 30, and the background color layer 41, the white layer 42, the shade layer 43, the reflection layer 44, the neon layer 45 and the diffusion layer 46 of the second frame 40 are formed by using silk printing ink and/or cutting sheet.
  • Poly vinyl chloride can be used as a material of the cutting sheet.
  • a plastic adhesive can be employed as an adhesive for adhering the cutting sheet.
  • Fig. 5 is a flowchart showing sequential steps of a preparation method of the display device for an electrical appliance according to the embodiment of the present invention
  • Fig. 6a is a flowchart showing sequential steps of a preparation method of the first frame of the display device for an electrical appliance according to the present invention
  • Fig. 6b is a flowchart showing sequential steps of a preparation method of the second frame of the display device for an electrical appliance according to the present invention.
  • the reflection layer 34 which reflects the generated light from the lighting apparatus 10 to the background color layer 41 of the second frame 40 is printed on the front surface of the transparent plate 22 (SI 10), and the indication sign layer 32 on which the signs 60 visible to the user's eyes are printed is printed transparently or opaquely on the front surface of the reflection layer 34 (S120).
  • the background color layer 41 is printed on the rear surface of the transparent plate 22 as the same shape as the signs 60 of the indication sign layer 32 printed on the first frame 30 and slightly larger than the signs 60 of the first frame 30(S210).
  • the white layer 42 is printed on the rear surface of the background color layer 41 (S220).
  • the shade layer 43 for intercepting light from the lighting apparatus 10 in an area in which the signs 60 are not formed is printed (S230)
  • the reflection layer 44 for increasing brightness of light by reflecting light is printed on the rear surface of the shade layer 43 (S240)
  • the neon layer 45 which adds a color to the gap for the neon effect is printed (S250)
  • the diffusion layer 46 for diffusing light is printed on the rear surface of the neon layer 45 (S260).
  • the preferred printing method of the layers of the first frame 30 and the second frame 40 is general screen printing method.
  • a size of the gap between the first frame 30 and the second frame 40 is varied according to the thickness of the transparent plate 22 and the design of the signs 60.
  • the size of the gap is about 1/3 of the thickness of the transparent plate 22.
  • the first frame 30 and the second frame 40 can be adhered to or printed on the transparent plate 22, preferably in a flat sheet structure.
  • a size of the second frame 40 adhered to or printed on the rear surface of the transparent plate 22 is equal to or larger than a size of the first frame 30.
  • the lighting apparatus 10 When the lighting apparatus 10 is operated by power from the electrical appliance to irradiate light, light is diffused by the diffusion layer 46 of the second frame 40. Part of the diffused light is reflected by the reflection layer 44 and the rest of the diffused light is transmitted through the second frame 40. Light reflected by the reflection layer 44 is reflected back by the circuit board 50 behind the lighting apparatus 10, transmitted through the second frame 40, refracted through the transparent plate 22, and part of the refracted light diffuse through the gap between the first frame 30 and the second frame 40 and rest of light is reflected to the background color layer 41 of the second frame 40 by the reflection layer 34 of the first frame 30. This results in obtaining the halo effect. Accordingly, the signs 60 of the first frame 30 are displayed as if they had a certain thickness in the information.
  • the halo effect can be varied according to the size of the gap.
  • the indication sign layer 32 of the first frame 30 and the neon layer 45 of the second frame 40 have the same color, the neon effect is obtained.
  • lighting apparatus irradiates light, and the light is emitted through the gap between the first frame and the second frame.
  • the indication sign layer of the first frame and the neon layer of the second frame have the same color to obtain the halo effect and neon effect, so that the flat signs can be displayed in three dimensions.
  • the display device for electrical appliance is clearly distinguished from the general flat display device, so that the user can easily recognize various signs of the electrical appliance.

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  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The present invention disclose a display device for an electrical appliance which can display signs in the three dimensions including numbers, characters, special charcters and symbols formed on the display device having a character board or various buttons for setting a mode of the electrical appliances such as communication device (cellular phone, wire/wireless home telephone, PDA, desktop computer, Fascimile, etc.) TV, VCR, DVD player, settop box, refrigerator, microwave, oven, audio, washing maschine, air conditioner, home game maschine, camcoder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller, and a preparation thereof. The present invention provides a display devive for an electrical appliance, comprising lighting apparatus disposed in a predetermined part of the display device; and a display panel being installed at the front side of the lighting apparatus, having signs such as numbers, characters, special charcters and symbols formed on the display device provided with a character board and various buttons for setting a mode of the electrical appliances, wherein light irradicated by the lighting apparatus is emitted through a gap berween a first frame of the display panel, and an indication sign layer of the first frame and a neon layer of the second frame having the same color to generate the halo effect and neon effect, whereby signs of the display device are dislayed in three dimensions. The present invention also provides a preparation method thereof.

Description

AN INDICATOR DISPLAYING THE ELECTRICAL APPLIANCES PERFORMANCE AND PREPARATION METHOD THEREOF
TECHNICAL FIELD The present invention relates to a display device for an electrical appliance and a preparation method thereof, and more particularly to a display device for an electrical appliance which enables users to use easily electrical appliances by efficiently displaying various buttons and signs including numbers, characters, special characters and symbols printed on the display device having a character board or various buttons for setting a mode of the electrical appliances such as a communication device (cellular phone, wire/wireless home telephone, PDA, electronic calculator, desktop computer, notebook computer, facsimile, etc.), TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller. A preparation method of the display device for the electrical appliance is also provided.
BACKGROUND ART In general, a display device having a character board and various buttons for setting a mode is mounted on an electrical appliance. Characters and numbers can be inputted to a communication device including a cellular phone, wire/wireless home telephone, PDA, desktop computer, notebook computer and facsimile by touch typing of the character board, and a mode such as power, play, eject and rewind can be set in a TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller by operations of the buttons.
The electrical appliance performs a few modes by operating the buttons. In order to improve convenience of the electrical appliance, it is necessary to visually provide the current mode of the electrical appliance to the user.
Especially, when the user confirms an operation state or uses an input tool in a dark place or at night, the user requires a lighting apparatus to discriminate signs of the display device. Representative related arts have been disclosed in Korean Utility
Model Reg. Nos. 0183967 and 0298242.
According to Korean Utility Model Reg. No. 0183967, light emitting diodes are installed in an indicator with- transparent material and illuminate the indicator, so that the user can easily discriminate positions and signs of key buttons in a dark place.
According to Korean Utility Model Reg. No. 0298242, an E.L. sheet having a sequential layer structure of a protection layer made of a transparent film, an ITO layer, a fluorescent layer coated with a fluorescent material, a dielectric layer, a rear surface electrode layer, an insulation film layer, and a shield layer electrically connected to the rear surface electrode layer is installed between a key button contact point sheet installed in an indicator and a lower casing or between an indicator support plate and key buttons. A power terminal of the E.L. sheet is connected to a control unit built in a keyboard, to illuminate the plurality of key buttons. However, the conventional indicator displays the signs flat, so that the user cannot easily recognize and discriminate the signs. DISCLOSURE OF THE INVENTION
An object of the present invention is to provide a display device for an electrical appliance which can display signs in three dimensions. The signs include numbers, characters, special characters and symbols formed on the display device having a character board or various buttons for setting a mode of the electrical appliances such as a communication device, TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller. The present invention provides a display device for an electrical appliance, comprising lighting apparatus disposed in a predetermined part of the display device; and a display panel being installed at the front side of the lighting apparatus, having signs such as numbers, characters, special characters and symbols formed on the display device provided with a character board and various buttons for setting a mode of the electrical appliances, wherein light irradiated by the lighting apparatus is emitted through a gap between a first frame and a second frame of the display panel, and an indication sign layer of the first frame and a neon layer of the second frame having the same color to generate the halo effect and neon effect, whereby signs of the display device are displayed in three dimensions. The present invention also provides a preparation method thereof.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a perspective diagram illustrating disassembly of a display device for an electrical appliance according to the embodiment of the present invention;
Fig. 2 is a status diagram illustrating a printing principle of a display panel according to the present invention;
Fig. 3 is a side-sectional diagram illustrating constitutional elements of the display device for an electrical appliance according to the embodiment the present invention; Fig. 4 is an exemplary diagram illustrating the display device for an electrical appliance according to the embodiment of the present invention;
Fig. 5 is a flowchart showing sequential steps of a preparation method of the display device for an electrical appliance according to the present invention; Fig. 6a is a flowchart showing sequential steps of a preparation method of a first frame of the display device for an electrical appliance according to the present invention,* and
Fig. 6b is a flowchart showing sequential steps of a preparation method of a second frame of the display device for an electrical appliance according to the present invention.
BEST MODE FOR CARRYING OUT THE INVENTION
A display device for an electrical appliance is composed of one or plurality number of lighting apparatus for generating light disposed in a predetermined part of the display device, and a display panel installed at the front side of the lighting apparatus.
Exemplary electrical appliances include general electric home appliances such as a communication device, TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller.
Exemplary communication devices include various information and communication devices such as a cellular phone, wire/wireless home telephone, PDA, electronic calculator, desktop computer, notebook computer and facsimile.
In accordance with the present invention, in the case of the TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker or remote controller, the display device implies a front panel having various buttons for setting a mode for operating the product, such as power, multiple language, stereo, play, eject and rewind; and various characters for notifying an operation state of the product.
In the case of the cellular phone, wire/wireless home telephone, PDA, electronic calculator, desktop computer, notebook computer and facsimile, the display device includes a character board for inputting characters, and signs of a keyboard.
The lighting apparatus is mounted on the top surface of an inside circuit board of. the display device by soldering.
Herein, one or a plurality of lighting apparatus can be installed according to the number of the buttons for displaying the operation state of the mode, the character board and the key buttons of the keyboard. Preferably, the lighting apparatus is installed as many as the number of the buttons for displaying the operation state of the mode, the character board and the key buttons of the keyboard.
The display panel is composed of a transparent plate, a first frame adhered to or printed on the front surface of the transparent plate, and a second frame of light transmittable frame adhered to or printed on the rear surface of the transparent plate. The first frame is composed of an indication sign layer on which signs such as numbers, characters, special characters and symbols formed on a character board or various buttons for setting a mode of various electrical appliances are printed; and a reflection layer formed as the same shape as the signs, for reflecting light to achieve the halo effect using a light source.
The above halo effect implies a moon's halo and the likes.
The second frame is composed of a background color layer which is a background of the indication sign layer except for the signs of the indication sign layer; a white layer; a shade layer for intercepting light from the light source in the above area in which the signs are not formed; a reflection layer for increasing brightness of light by reflecting light; a neon layer for adding a color for the neon effect; and a diffusion layer for diffusing light.
Herein, the neon effect of the present invention implies a diffusing effect of light generated by using the color of the indication sign layer and the color for the halo effect as same color group.
Hereinafter a preferred embodiment of the present invention will be described with reference to the drawings.
Fig. 1 is a perspective diagram illustrating disassembly of a display device for an electrical appliance according to the embodiment of the present invention, Fig. 2 is a status diagram illustrating a printing principle of a display panel according to the present invention, and Fig. 3 is a side-sectional diagram illustrating constitutional elements of the display device for an electrical appliance according to the embodiment of the present invention.
Referring to Fig. 1, the display device for an electrical appliance is composed of one or a plurality of lighting apparatus 10 disposed in a predetermined part of the display device, and a display panel 20 which is installed where the lighting apparatus 10 irradiates the light (that is front side of the lighting apparatus).
Herein one or plurality number of lighting apparatus 10 is installed depending on the number of buttons for displaying an operation state, and key buttons of a character board or a keyboard.
The display panel 20 is comprised of a first frame 30 on which signs 60 are formed; a transparent plate 22 formed with a certain thickness, for transmitting light of the lighting apparatus 10; and a second frame 40 installed separately from the first frame 30 with a certain distance by the transparent plate 22, for transmitting light of the lighting apparatus 10 to the first frame
30.
Exemplary materials of the transparent plate 22 include acryl, glass and poly carbon. The first frame 30 is comprised of an indication sign layer 32 on which the signs 60 such as numbers, characters, special characters and symbols formed on the character board or various buttons for setting a mode of electrical appliance are printed; and a reflection layer 34 printed in the same shape as the signs 60, for reflecting light for the halo effect to a background color layer 41 which will later be explained.
The reflection layer 34 is adhered or printed as the same shape as the indication sign layer 32.
The second frame 40 is comprised of a background color layer 41 which is a background of the signs 60; a white layer 42 formed to clearly display a background color of the background color layer 41 ; a shade layer 43 for intercepting light from the lighting apparatus 10 in an area on which the signs 60 are not formed; a reflection layer 44 for increasing brightness of light by reflecting light from the lighting apparatus 10; a neon layer 45 for adding a color for the neon effect; and a diffusion layer 46 formed on the front surface of the lighting apparatus 10 as the same size as the display panel 22, for diffusing light from the lighting apparatus 10. The background color layer 41, the white layer 42, the shade layer 43 and the reflection layer 44 are shaped as the first frame 30 without the printed signs 60 and are formed slightly larger than the signs 60 of the first frame 30 which leads to form a little gap.
The neon layer 45 is formed between the diffusing layer 46 and the reflection layer 44 as the same shape as the signs 60 for the neon effect. Herein the neon layer 45 is formed large enough to cover the gap between the first frame 30 and the second frame 40.
The reflection layer 44 of the second frame 40 reflects light irradiated from the lighting apparatus 10. The reflected light is reflected back by a circuit board 50 behind the lighting apparatus 10, and transmitted through the second frame 40.
The indication sign layer 32 and the reflection layer 34 of the first frame 30, and the background color layer 41, the white layer 42, the shade layer 43, the reflection layer 44, the neon layer 45 and the diffusion layer 46 of the second frame 40 are formed by using silk printing ink and/or cutting sheet.
Poly vinyl chloride can be used as a material of the cutting sheet. A plastic adhesive can be employed as an adhesive for adhering the cutting sheet.
A method for printing the first frame 30 and the second frame 40 on the display panel 20 of the display device for an electrical appliance will now be described with reference to Fig. 2 or 3.
Fig. 5 is a flowchart showing sequential steps of a preparation method of the display device for an electrical appliance according to the embodiment of the present invention, Fig. 6a is a flowchart showing sequential steps of a preparation method of the first frame of the display device for an electrical appliance according to the present invention, and Fig. 6b is a flowchart showing sequential steps of a preparation method of the second frame of the display device for an electrical appliance according to the present invention. To prepare the first frame 30, the reflection layer 34 which reflects the generated light from the lighting apparatus 10 to the background color layer 41 of the second frame 40 is printed on the front surface of the transparent plate 22 (SI 10), and the indication sign layer 32 on which the signs 60 visible to the user's eyes are printed is printed transparently or opaquely on the front surface of the reflection layer 34 (S120). To prepare the second frame 40, the background color layer 41 is printed on the rear surface of the transparent plate 22 as the same shape as the signs 60 of the indication sign layer 32 printed on the first frame 30 and slightly larger than the signs 60 of the first frame 30(S210). The white layer 42 is printed on the rear surface of the background color layer 41 (S220). Thereafter, the shade layer 43 for intercepting light from the lighting apparatus 10 in an area in which the signs 60 are not formed is printed (S230), the reflection layer 44 for increasing brightness of light by reflecting light is printed on the rear surface of the shade layer 43 (S240), the neon layer 45 which adds a color to the gap for the neon effect is printed (S250), and the diffusion layer 46 for diffusing light is printed on the rear surface of the neon layer 45 (S260).
The preferred printing method of the layers of the first frame 30 and the second frame 40 is general screen printing method.
A size of the gap between the first frame 30 and the second frame 40 is varied according to the thickness of the transparent plate 22 and the design of the signs 60. Preferably, the size of the gap is about 1/3 of the thickness of the transparent plate 22.
The first frame 30 and the second frame 40 can be adhered to or printed on the transparent plate 22, preferably in a flat sheet structure.
Preferably a size of the second frame 40 adhered to or printed on the rear surface of the transparent plate 22 is equal to or larger than a size of the first frame 30.
The operation process of the display device for an electrical appliance will now be explained.
When the lighting apparatus 10 is operated by power from the electrical appliance to irradiate light, light is diffused by the diffusion layer 46 of the second frame 40. Part of the diffused light is reflected by the reflection layer 44 and the rest of the diffused light is transmitted through the second frame 40. Light reflected by the reflection layer 44 is reflected back by the circuit board 50 behind the lighting apparatus 10, transmitted through the second frame 40, refracted through the transparent plate 22, and part of the refracted light diffuse through the gap between the first frame 30 and the second frame 40 and rest of light is reflected to the background color layer 41 of the second frame 40 by the reflection layer 34 of the first frame 30. This results in obtaining the halo effect. Accordingly, the signs 60 of the first frame 30 are displayed as if they had a certain thickness in the information.
When the neon layer 45 between the reflection layer 44 and the diffusion layer 46 of the second frame 40 is colored, the color halo effect can be obtained.
The halo effect can be varied according to the size of the gap. When the indication sign layer 32 of the first frame 30 and the neon layer 45 of the second frame 40 have the same color, the neon effect is obtained.
As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiment is not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalences of such metes and bounds are therefore intended to be embraced by the appended claims.
INDUSTRIAL APPLICABILITY
As described above, in accordance with the present invention, the
• lighting apparatus irradiates light, and the light is emitted through the gap between the first frame and the second frame. The indication sign layer of the first frame and the neon layer of the second frame have the same color to obtain the halo effect and neon effect, so that the flat signs can be displayed in three dimensions. As a result, the display device for electrical appliance is clearly distinguished from the general flat display device, so that the user can easily recognize various signs of the electrical appliance.

Claims

WHAT IS CLAIMED IS:
1. A display device for an electrical appliance, comprising: lighting apparatus for generating light; and a display panel with signs being installed at the front side of the lighting apparatus, wherein the display panel comprises-' a transparent plate formed with a certain thickness for transmitting light; a first frame being aligned on the front surface of the transparent plate, and including the signs; and a second frame aligned on the rear surface of the transparent plate with a predetermined interval from the first frame for transmitting light from the lighting apparatus to the first frame.
2. The display device of claim 1, wherein the electrical appliance is selected from general electric home appliances including a cellular phone, wire/wireless home telephone, PDA, electronic calculator, desktop computer, notebook computer, facsimile, TV, VCR, DVD player, settop box, refrigerator, microwave oven, audio, washing machine, air conditioner, home game machine, camcorder, printer, oven, copier, MP3 player, electrical rice cooker and remote controller.
3. The display device of claim 1, wherein the display device is selected from operation buttons of the electrical appliance, such as power, multiple language, stereo, play, eject and rewind buttons, various characters for notifying an operation state of the electrical appliance, and a character board and a keyboard for inputting various characters.
4. The display device of any one of claims 1 to 3, wherein the first frame comprises: an indication sign layer on which the signs are printed; and a reflection layer formed on the rear surface of the indication sign layer, for reflecting light transmitted from the second frame back to the second frame through the transparent plate.
5. The display device of claim 4, wherein the reflection layer is adhered or printed as the same shape as the indication sign layer.
6. The display device of any one of claims 1 to 3, wherein the second frame comprises: a background color layer which is a background of the signs", a white layer formed to clearly display a background color of the background color layer; a shade layer for intercepting light from the lighting apparatus in an area on which the signs are not formed; a reflection layer for increasing brightness of light by reflecting light from the lighting apparatus; and a diffusion layer formed on the front surface of the lighting apparatus as the same size as the display panel, for diffusing light from the lighting apparatus.
7. The display device of claim 6, wherein the background color layer, the white layer, the shade layer and the reflection layer do not include the signs printed on the first frame, and form a gap slightly larger than the signs of the first frame.
8. The display device of claim 6, further comprising a neon layer between the diffusion layer and the reflection layer as the same shape as the signs for the neon effect, which is large enough to cover the gap between the first frame and the second frame.
9. A preparation method of a display device for an electrical appliance comprising one or a plurality of lighting apparatus for generating light, and a display panel installed at the front side of the lighting apparatus, and including signs, comprising: a first frame formation step for adhering or printing a first frame on which the signs are formed on the front surface of a transparent plate of the display panel formed with a certain thickness for transmitting light of the lighting apparatus; and a second frame formation step for adhering or printing a second frame for transmitting light from the lighting apparatus to the first frame on the rear surface of the transparent plate.
10. The method of claim 9, wherein the first frame formation step comprises the steps of: printing a reflection layer at one side of the transparent plate; and printing an indication sign layer on which the signs are formed on the front surface of the reflection layer.
11. The method of claim 10, wherein the reflection layer is printed as the same shape as the indication sign layer.
12. The method of claim 9, wherein the second frame formation step comprises the steps of: printing a background color layer which is a background of the signs; printing a white layer on the front surface of the background color layer to clearly display a background color of the background color layer; printing a shade layer for intercepting light from the lighting apparatus in an area in which the signs are not formed on the front surface of the white layer; printing a reflection layer for increasing brightness of light by reflecting light from the lighting apparatus on the front surface of the shade layer; and printing a diffusion layer for diffusing light from the lighting apparatus on the front surface of the reflection layer as the same size as the display panel.
13. The method of claim 12, wherein the background color layer, the white layer, the shade layer and the reflection layer do not include the signs printed on the first frame, and form a gap slightly larger than the signs of the first frame.
14. The method of claim 12, further comprising a step for printing a neon layer between the diffusion layer and the reflection layer as the same shape as the signs for the neon effect, which is large enough to cover the gap between the first frame and the second frame.
PCT/KR2003/001273 2003-06-26 2003-06-27 An indicator displaying the electrical appliances performance and preparation method thereof WO2004114342A1 (en)

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KR1020030042237A KR100411518B1 (en) 2003-06-26 2003-06-26 Display device of electronic product and manufacturing method thereof
KR10-2003-0042237 2003-06-26

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US10894614B1 (en) * 2020-01-17 2021-01-19 B/E Aerospace, Inc. Halo light assembly
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