公开(公告)号：US20210364859A1

公开(公告)日：2021-11-25

申请号：US16479644

申请日：2018-01-12

Applicant: ENPLAS CORPORATION

Inventor： Toshihiko MOCHIDA ,  Hiroshi TAKATORI ,  Takao MIYOSHI

IPC: G02F1/1335 ,  G02B13/18 ,  G02F1/13357

Abstract: A luminous flux control member has: an incident surface, an emission surface; a back surface; and a plurality of recessed or projecting first quadrangular pyramid parts placed in grid form on at least a portion of the back surface. The first quadrangular pyramid part includes: a first inclined plane that is inclined so as to face the back side as separation increases from the central axis; a second inclined plane that is inclined so as to face the front side as separation increases from the central axis; and a connecting part that connects the first inclined plane and the second inclined plane. In a cross section including the central axis and the center of the connecting part, the first inclined plane is larger than the second inclined plane.

公开(公告)号：US20190024855A1

公开(公告)日：2019-01-24

申请号：US15757454

申请日：2016-08-29

Applicant: Enplas Corporation

Inventor： Toshihiko MOCHIDA ,  Hiroshi TAKATORI

IPC: F21S2/00 ,  F21V5/04 ,  G02B3/00 ,  H01L33/60

Abstract: This luminous flux control member has: a plane of incidence having a first incidence plane and a second incidence plane; an emission plane; and a second concavity. The luminous flux control member satisfies the expression h1

公开(公告)号：US20160306151A1

公开(公告)日：2016-10-20

申请号：US15193169

申请日：2016-06-27

Applicant: Enplas Corporation

Inventor： Hiroshi TAKATORI ,  Masao YAMAGUCHI

IPC: G02B19/00

CPC classification number: G02B19/0047 ,  F21Y2115/10

Abstract: A surface light source device includes substrate, a plurality of light emitting devices disposed at constant intervals on substrate, and light diffusion plate disposed substantially parallel to substrate over the plurality of light emitting devices. Light emitting device includes light emitting element and light flux controlling member. A luminous intensity of light from light emitting device is gradually increased as an angle relative to optical axis becomes larger in an angular range from a direction along optical axis of light emitting device to a direction of emission of light with the highest luminous intensity from light emitting device. An angle of the light with the highest luminous intensity from the light emitting device is more than 78.7° relative to the optical axis. Surface light source device satisfies two Equations of H/P≦0.2, and I1/2/I0>6.

Abstract translation: 表面光源装置包括基板，在基板上以恒定的间隔设置的多个发光装置以及与多个发光装置的基板大致平行地配置的光漫射板。 发光装置包括发光元件和光束控制构件。 来自发光器件的光的发光强度随着从发光器件的光轴方向到从发光器件的发光强度的发光方向的角度范围内相对于光轴的角度变大而逐渐增大。 设备。 来自发光器件的具有最高发光强度的光的角度相对于光轴大于78.7°。 表面光源装置满足H /P≤0.2和I1 / 2 / I0> 6的两个等式。