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US 10,704,744 B2Granted
Light source unit and light unit having same
AssigneeLG Innotek Co., Ltd.
InventorSung Joo Oh
Life of this patent
Estimating the term…
Abstract
A light source unit is disclosed in an embodiment. The disclosed light source unit comprises: a fixing plate having an opening portion; a light emitting device disposed in an opening portion of the fixing plate; and an optical lens disposed on the fixing plate, wherein the fixing plate has a plurality of fixing portions, the optical lens includes: a bottom surface on the fixing plate; a concave recess on the opening portion of the fixing plate; a light incident surface around the recess; and a light exit surface for emitting the light incident to the light incident surface, the fixing plate and the bottom surface of the optical lens are coupled to each other, and the fixing plate is spaced from the light emitting device.
Claims20
A light source unit comprising:
- a fixing plate including an opening portion;
- a light emitting device disposed in an opening portion of the fixing plate;
- a circuit board disposed under the fixing plate, and
- an optical lens disposed on the fixing plate,
- wherein the fixing plate includes a plurality of fixing portions,
- wherein the optical lens includes a bottom surface on the fixing plate, a concave recess on the opening portion of the fixing plate, a light incident surface around the recess and a light exit surface for emitting light incident on the incident surface,
- wherein an upper portion of the fixing plate and the bottom surface of the optical lens includes a coupling means coupling the fixing plate to the optical lens,
- wherein the fixing plate is spaced apart from a side surface and a lower surface of the light emitting device,
- wherein the opening portion is penetrated through a top surface and a lower surface of the fixing plate in a vertical direction,
- wherein a lower portion of the opening portion has a width wider than a width of the light emitting device and is penetrated in the vertical direction, and
- wherein the circuit board includes a plurality of lead electrodes disposed under the opening portion of the fixing plate and connected to the light emitting device, and a fixing pattern connected to each of the fixing portions of the fixing plate.
8 more elements
A light source unit comprising:
- a fixing plate including an opening portion penetrating through a lower surface and a top surface thereof;
- a light emitting device disposed in an opening portion of the fixing plate;
- and
- an optical lens disposed on the fixing plate,
- wherein the fixing plate includes a plurality of fixing portions,
- wherein the optical lens includes a bottom surface disposed on the fixing plate, a recess on the opening portion of the fixing plate, and an light exit surface for emitting light,
- wherein the fixing plate includes a fixing groove at an upper portion thereof,
- wherein the optical lens includes a fixing protrusion protruding in a direction of the fixing groove,
- wherein the fixing plate is spaced apart from a side surface and a lower surface of the light emitting device,
- wherein a thickness of the fixing plate is smaller than a height of the opening portion,
- wherein the fixing plate and the fixing portions are formed of a metal material and are electrically insulated from the light emitting device, and
- wherein a lower portion of the opening portion has a width wider than a width of the light emitting device and penetrates in a vertical direction.
9 more elements
A light source unit comprising:
- a fixing plate including an opening portion;
- a light emitting device disposed in an opening portion of the fixing plate;
- and
- an optical lens disposed on the fixing plate,
- wherein the fixing plate includes a plurality of fixing portions,
- wherein the optical lens includes a bottom surface on the fixing plate, a concave recess on the opening portion of the fixing plate, a light incident surface around the recess and a light exit surface for emitting light incident on the incident surface,
- wherein an upper portion of the fixing plate and the bottom surface of the optical lens includes a coupling means coupling the fixing plate to the optical lens,
- wherein the fixing plate is spaced apart from a side surface and a lower surface of the light emitting device,
- wherein the opening portion is penetrated through a top surface and a lower surface of the fixing plate in a vertical direction,
- wherein a lower portion of the opening portion has a width wider than a width of the light emitting device and is penetrated in the vertical direction, and
- wherein the fixing plate includes a metal material,
- wherein the fixing plate includes a supporting portion disposed under the optical lens, a first leg portion bent from a first outer side of the supporting portion and a second leg portion bent from a second outer side of the supporting portion,
- wherein each of the first and second leg portions is connected to a separate corresponding one of the fixing portions, and
- wherein the fixing plate is electrically insulated from the light emitting device.
11 more elements
Dependencies are inferred from the claim text.