WO2014207801A1 - Unité électroluminescente et partie de fonctionnement la comportant - Google Patents

Unité électroluminescente et partie de fonctionnement la comportant Download PDF

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Publication number
WO2014207801A1
WO2014207801A1 PCT/JP2013/067225 JP2013067225W WO2014207801A1 WO 2014207801 A1 WO2014207801 A1 WO 2014207801A1 JP 2013067225 W JP2013067225 W JP 2013067225W WO 2014207801 A1 WO2014207801 A1 WO 2014207801A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light emitting
base member
ribs
operation unit
Prior art date
Application number
PCT/JP2013/067225
Other languages
English (en)
Japanese (ja)
Inventor
優一郎 奈良
Original Assignee
Ｎｅｃディスプレイソリューションズ株式会社
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 Ｎｅｃディスプレイソリューションズ株式会社 filed Critical Ｎｅｃディスプレイソリューションズ株式会社
Priority to PCT/JP2013/067225 priority Critical patent/WO2014207801A1/fr
Priority to CN201390001202.7U priority patent/CN205299184U/zh
Publication of WO2014207801A1 publication Critical patent/WO2014207801A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift

Definitions

  • the present invention relates to a light emitting unit having a light emitting element and an operation unit such as an electronic device including the light emitting unit.
  • an operation unit for operating the electronic device on the top surface.
  • the operation unit in order to improve operability and design, there is a type in which a light emitting element is provided inside and the operation unit is illuminated by causing the light emitting element to emit light.
  • a plurality of light emitting areas may be provided in the operation unit to emit different colors for each light emitting area, or to emit light at different timings for each light emitting area. In the case of such light emission, light emitted from one light emitting region may enter an adjacent light emitting region, resulting in unintentional color development or an unintended region appearing to emit light.
  • Patent Document 1 An example of a method for solving the above problem is disclosed in Patent Document 1.
  • the electronic device described in Patent Literature 1 includes a base member and a cover member, and a circuit board including a light emitting element disposed on the base member and disposed in a plurality of light emitting regions. have.
  • a light-blocking rib is provided on the back surface of the cover member so as to surround each light-emitting region, so that light emitted from one light-emitting region does not enter an adjacent light-emitting region.
  • the entire member covering the circuit board provided with the light emitting element may be translucent in order to emit light in a certain range of area. Therefore, when providing a light-shielding rib on a member that covers the circuit board, it is necessary to attach a light-shielding rib to the member that covers the circuit board, or to apply a light-shielding paint to the translucent rib. is there. For this reason, the number of parts and the manufacturing process increase.
  • An object of the present invention is to provide a light emitting unit in which light of one adjacent light emitting region is suppressed from entering the other light emitting region and an operation unit having the light emitting unit by a simple method.
  • the light-emitting unit of the present invention includes a substrate having a plurality of light-emitting regions provided with light-emitting elements that generate illumination light, a base member provided with a housing portion that accommodates the substrate, and each illumination light in the plurality of light-emitting regions. And a translucent plate that is provided with a plurality of ribs for restricting the light from reaching another light emitting region and covers the substrate.
  • FIG. 1 shows an external perspective view of the operation unit 10 according to the present invention.
  • FIG. 2 is an exploded schematic view of the operation unit 10.
  • the operation unit 10 of the present invention has an opening 4a, a base member 4 having an accommodation part 4b in the opening 4a, a circuit board 3 accommodated in the accommodation part 4b, and the circuit board 3 so as to cover the base member.
  • 4 is mainly composed of a translucent plate 1 attached to 4 and a translucent cover member 2 disposed on the plate 1 and closing the opening 4a of the base member 4.
  • the surrounding member 5 is used as needed.
  • FIG. 3 shows a schematic perspective view of the base member 4.
  • the base member 4 has an opening 4a, and a housing 4b capable of housing the circuit board 3 is provided in the opening 4a.
  • the wall part 4c is provided in at least one part of the outer periphery of the accommodating part 4b. In the present embodiment, the wall 4c is not provided in the portion corresponding to the second light emitting region B and the portion corresponding to the third light emitting region C (see FIG. 4).
  • a gap 4g is provided between the wall 4c and the outer wall 4d of the opening 4a, and a plurality of wall parts 4f are provided in the gap 4g.
  • the wall part 4f is provided in four places so that the part in which the wall part 4c is not provided may be plugged up.
  • the base member 4 is provided with an engaging portion 4e that can be engaged with the plate 1.
  • FIG. 4 shows a schematic configuration diagram of the circuit board 3.
  • the circuit board 3 has a plurality of switches 3a, a plurality of first light emitting elements 3b that emit illumination light in a direction perpendicular to the circuit board 3, and a circuit board 3 on a surface (a surface that does not face the housing portion 4b).
  • a plurality of second light emitting elements 3c that emit illumination light in a parallel direction and in the direction of the outer wall 4d, and the first light emitting element 3b and the second light emitting element 3c emit illumination light having different emission colors.
  • the light emitting element 3d is provided.
  • region in which the 1st light emitting element 3b was provided is the 1st light emitting area A
  • interposed are the second light-emitting region B and the third light-emitting region C, and the region where the third light-emitting element 3d is provided is the fourth light-emitting region D.
  • the circuit board 3 is accommodated in the accommodating portion 4b and surrounded by the wall portion 4c.
  • FIG. 5A shows a schematic configuration diagram of the plate 1 as viewed from the front surface side.
  • FIG. 5B shows a schematic view of the XX cross section of FIG. 5A.
  • the plate 1 will be described with reference to FIGS. 2, 5A, and 5B.
  • 5A and 5B show a state in which the plate 1 is attached to the base member 4 in a state where the circuit board 3 is accommodated in the accommodating portion 4b.
  • the plate 1 is provided with an engaging portion 1a, and the engaging portion 1a can be engaged with the engaging portion 4e of the base member 4.
  • the plate 1 is provided with a pushing portion 1c having a hinge portion 1b at a position facing the switch 3a of the circuit board 3. By pushing the pushing portion 1c toward the switch 3a, the pushing portion 1c moves toward the switch 3 around the hinge portion 1b, and the switch 3a can be pushed. Further, a through groove 1d is provided so that the wall 4c of the base member 4 can pass therethrough.
  • the back surface of the plate 1 is provided with a plurality of ribs in contact with the circuit board 3, in this embodiment, triple ribs 1d, 1e, and 1f.
  • These ribs 1d, 1e, and 1f are arranged side by side in the thickness direction thereof.
  • the ribs 1d, 1e, and 1f are arranged so as to separate the first light emitting area A and the second light emitting area B. There are gaps between the ribs 1d and 1e and between the ribs 1e and 1f.
  • the cover member 2 is attached to the base member 4 with screws or the like so as to cover the plate 1 and close the opening 4 a of the base member 4. When the cover member 2 is attached to the base member 4, the wall portions 4 c and 4 f of the base member and the cover member 2 come into contact with each other.
  • characters and symbols for indicating the role of the switch are printed or printed without characters at positions corresponding to the push-in portions 1c.
  • the operation part 10 when a user operates the operation part 10, when the user pushes the cover part 2, the pushing part 1c of the plate 1 is pushed in and the switch 3a is pushed.
  • the operation unit 10 of the present invention covers the plate 1 having the push-in unit 1c with the cover member 2, the operation unit 10 and a main body of an electronic device such as a projector provided with the operation unit 10 have a design with a sense of unity. Become.
  • FIG. 6 is a schematic perspective view of the surrounding member 5 disposed between the circuit board 3 and the plate 1.
  • the enclosing member 5 includes an enclosing portion 5a surrounded by a wall surface and a light shielding portion 5b extending along a part of the enclosing portion 5a, and is made of a light shielding material.
  • the enclosing member 5 surrounds the third light emitting element 3d, and is arranged so as to separate the second light emitting element 3d and the second light emitting element 3c by the light shielding portion 5b. That is, the fourth light emitting region D is surrounded by the surrounding portion 5a, and the third light emitting region C and the fourth light emitting region D are separated by the light shielding portion 5b.
  • the surrounding portion 5a and the light shielding portion 5b are in contact with the circuit board 3 and the cover member 2, respectively.
  • the surrounding member 5 is used when the gap between the light emitting regions is small.
  • translucent ribs 1d, 1e, and 1f are provided between the first light emitting region A and the second light emitting region B.
  • the illumination light emitted from the second light emitting element 3c in the second light emitting region B travels toward the outer wall 4d of the base member 4 and is reflected by the outer wall 4d.
  • the illumination light reflected by the outer wall 4d injects into the translucent ribs 1d, 1e, and 1f in order.
  • a part of the illumination light incident on the ribs 1d, 1e, and 1f is refracted and diffused every time the light enters and exits each rib.
  • the refractive index of the material of each rib is different from the refractive index of air.
  • the ribs 1d, 1e, and 1f are translucent, a part of them is scattered when light passes through the inside of each rib. For this reason, the illumination light reflected by the outer wall 4d and directed toward the rib 1d is attenuated each time it passes through the rib or the gap between the ribs, and does not easily reach the first light emitting region A.
  • the first light emitting region A is surrounded by the wall 4c of the base member 4, the ribs 1d, 1e, and 1f of the plate 1 and the surrounding member 5.
  • the second light emitting region B is surrounded by the ribs 1d, 1e, and 1f of the plate 1 and the wall portion 4f and the outer wall 4d of the base member 4.
  • the third light emitting region C is surrounded by the light shielding portion 5b of the surrounding member 5, the wall portion 4f of the base member 4, and the outer wall 4d.
  • the fourth light emitting region D is surrounded by the surrounding member 5.
  • the base member 4 and the surrounding member 5 are made of a light-shielding material. Therefore, in the operation unit 10 of the present invention, the illumination light emitted from each light emitting region does not enter another region. Therefore, it is possible to prevent the unintended color from appearing on the operation unit 10 and the unintended area from appearing to emit light.
  • the plate 1 is integrally formed with the ribs 1d, 1e, and 1f included, the number of parts and the manufacturing process do not increase.
  • each light emitting region is surrounded by the ribs 1d, 1e, and 1f of the plate 1, the wall portions 4c and 4f and the outer wall 4d of the base member 4, and the surrounding member 5.
  • all the light emitting regions can be surrounded by double or triple or more ribs.
  • the operation unit 10 of the present invention can be used as an operation unit of an electronic device such as a projector.
  • the plate 1, the circuit board 3, and the base member 4 may constitute one light emitting unit 20.
  • the light-emitting unit 20 can be used for other than the operation unit of the electronic device, and can also be used as a lighting fixture.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Abstract

　L'objectif de la présente invention est de produire : une unité électroluminescente dans laquelle l'entrée de lumière provenant d'une zone électroluminescente dans une autre zone électroluminescente adjacente est supprimée au moyen d'un procédé simple ; et une partie de fonctionnement ayant ladite unité. Cette unité électroluminescente a : un substrat ayant une pluralité de zones électroluminescentes dans lesquelles sont disposés des éléments électroluminescents permettant d'émettre de la lumière d'éclairage ; un organe de base sur lequel est disposée une section de logement permettant de loger le substrat ; et une plaque translucide recouvrant le substrat. Le substrat comporte une pluralité de nervures permettant d'empêcher la lumière d'éclairage provenant de chaque zone de la pluralité de zones électroluminescentes d'atteindre les autres zones électroluminescentes.
PCT/JP2013/067225 2013-06-24 2013-06-24 Unité électroluminescente et partie de fonctionnement la comportant WO2014207801A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2013/067225 WO2014207801A1 (fr) 2013-06-24 2013-06-24 Unité électroluminescente et partie de fonctionnement la comportant
CN201390001202.7U CN205299184U (zh) 2013-06-24 2013-06-24 发光单元以及具备发光单元的操作部

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/067225 WO2014207801A1 (fr) 2013-06-24 2013-06-24 Unité électroluminescente et partie de fonctionnement la comportant

Publications (1)

Publication Number Publication Date
WO2014207801A1 true WO2014207801A1 (fr) 2014-12-31

Family

ID=52141208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/067225 WO2014207801A1 (fr) 2013-06-24 2013-06-24 Unité électroluminescente et partie de fonctionnement la comportant

Country Status (2)

Country Link
CN (1) CN205299184U (fr)
WO (1) WO2014207801A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61179603U (fr) * 1985-04-26 1986-11-10
JP2002050211A (ja) * 2000-08-03 2002-02-15 Koito Mfg Co Ltd 車両用標識灯
JP2010146904A (ja) * 2008-12-19 2010-07-01 Toyota Motor Corp 車両用灯具
JP2010257802A (ja) * 2009-04-24 2010-11-11 Kyocera Corp 携帯電子機器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61179603U (fr) * 1985-04-26 1986-11-10
JP2002050211A (ja) * 2000-08-03 2002-02-15 Koito Mfg Co Ltd 車両用標識灯
JP2010146904A (ja) * 2008-12-19 2010-07-01 Toyota Motor Corp 車両用灯具
JP2010257802A (ja) * 2009-04-24 2010-11-11 Kyocera Corp 携帯電子機器

Also Published As

Publication number Publication date
CN205299184U (zh) 2016-06-08

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