DISPLAY BODY AND SHEET FOR OPTICAL SEMICONDUCTOR DEVICE ENCAPSULATION

• Main Authors: NAGATSUKA NAOKI, TANAKA SHUMPEI, NAKANO TAKESHI, ASAI RYOKO, UENO TAIKI
• Format: Patent
• Language: English; Korean
• Published: 06.10.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PAINTS; PERFORMING OPERATIONS; PHYSICS; POLISHES; SEMICONDUCTOR DEVICES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

The present invention provides a display body in which color shift is unlikely to occur and which has high brightness. The display body (1) has a sealing resin layer (4) which seals a plurality of optical semiconductor elements (3a to 3f) arranged on a substrate (2). The sealing resin layer (4) has a colored layer (42) and a non-colored layer (43) in order from an optical semiconductor element side. In a vertical cross section with respect to a surface of a substrate (2) passing through the center of gravity (G_C) of an optical semiconductor element (3c) in a pixel (3) and the center of gravity (G_D) of an optical semiconductor element (3d) in a pixel (3'), a straight line passing through the center of gravity (G_C) and in a frontal direction at an angle of 90° to a base line (B) is a line 1 (L1), and a straight line passing through an end portion (T_A) in an end surface on a front side of the optical semiconductor element (3c) and in a frontal direction at an angle of 45° to the base line (B) is a line 2 (L2). Here, a distance (D1) at which the line 1 (L1) and the colored layer (42) overlap, a distance (D2) at which the line 1 (L1) and the non-colored layer (43) overlap, a distance (D3) at which the line 2 (L2) and the colored layer (4) overlap, and a distance (D4) at which the line 2 (L2) and the non-colored layer (43) overlap satisfy D1 / D2 < D3 / D4. 본 발명은, 컬러 시프트가 일어나기 어렵고, 또한 휘도가 높은 표시체를 제공한다. 표시체(1)는, 기판(2) 상에 배치된 복수의 광반도체 소자(3a 내지 3f)를 밀봉하는 밀봉 수지층(4)을 구비한다. 밀봉 수지층(4)은 광반도체 소자측으로부터 착색층(42) 및 비착색층(43)을 이 순으로 갖는다. 픽셀(3)에 있는 광반도체 소자(3c)의 무게 중심(GC)과 픽셀(3')에 있는 광반도체 소자(3d)의 무게 중심(GD)을 통과하는 기판(2) 표면에 대한 수직면 단면에 있어서, 무게 중심(GC)을 통과하고, 베이스 라인(B)에 대하여 각도 90° 정면 방향의 직선을 라인 1(L1), 광반도체 소자(3c) 정면측의 단부면에서의 단부(TA)를 통과하고, 베이스 라인(B)에 대하여 각도 45° 정면 방향의 직선을 라인 2(L2)로 했을 때, 라인 1(L1)과 착색층(42)이 겹치는 거리(D1), 라인 1(L1)과 비착색층(43)이 겹치는 거리(D2), 라인 2(L2)와 착색층(4)이 겹치는 거리(D3), 및 라인 2(L2)와 비착색층(43)이 겹치는 거리(D4)는, D1/D2<D3/D4를 충족한다.