Light-emitting device assembly, method of producing the same, and display apparatus

A light-emitting device assembly, comprising:

• a light-emitting device including:
• a light-emitting layer;
• a first electrode on a first side of the light-emitting layer, wherein
• the first electrode includes a first portion and a second portion,
• the first portion is in contact with the light-emitting layer, and
• the first portion extends from the second portion;
• and
• a second electrode configured to electrically connect the light-emitting layer, wherein
• the second electrode is on a second side of the light-emitting layer, and
• the second side is opposite to the first side;
• a base;
• a first connecting portion on the base, wherein the first connecting portion is connected to the second portion of the first electrode;
• a second connecting portion on the base;
• a conductor layer, wherein the second electrode is connected to the second connecting portion via the conductor layer;
• a separation portion between the first connecting portion and the second connecting portion, wherein
• the base is exposed in the separation portion;
• and
• a communication unit in a part of the light-emitting device, wherein
• the part of the light-emitting device includes the second portion of the first electrode, and
• the second portion of the first electrode is configured to communicate with an outside of the light-emitting device assembly via the communication unit.

A display apparatus, comprising:

• a plurality of light-emitting device assemblies in a two-dimensional matrix pattern, wherein each light-emitting device assembly of the plurality of light-emitting device assemblies comprises:
• a light-emitting device including:
• a light-emitting layer;
• a first electrode on a first side of the light-emitting layer, wherein
• the first electrode includes a first portion and a second portion,
• the first portion is in contact with the light-emitting layer, and
• the first portion extends from the second portion;
• and
• a second electrode configured to electrically connect the light-emitting layer, wherein
• the second electrode is on a second side of the light-emitting layer, and
• the second side is opposite to the first side;
• a base;
• a first connecting portion on the base, wherein the first connecting portion is connected to the second portion of the first electrode;
• a second connecting portion on the base;
• a conductor layer, wherein the second electrode is connected to the second connecting portion via the conductor layer;
• and
• a separation portion between the first connecting portion and the second connecting portion, wherein
• the base is exposed in the separation portion,
• the separation portion includes a wide portion on a first connecting portion side of the separation portion, and
• the first portion of the first electrode overlaps with the wide portion of the separation portion based on an orthographic projection of the first portion of the first electrode with respect to the base.

A method of producing a light-emitting device assembly, the method comprising:

• disposing a light-emitting device on a first side of a base of the light-emitting device assembly via an adhesive layer, wherein
• the adhesive layer is one of an uncured or a semi-cured energy ray-curable adhesive layer, and
• the light-emitting device assembly includes:
• the light-emitting device that includes:
• a light-emitting layer;
• a first electrode, wherein
• the first electrode includes a first portion and a second portion,
• the first portion is in contact with the light-emitting layer, and
• the first portion extends from the second portion;
• and
• a second electrode configured to electrically connect the light-emitting layer;
• a first connecting portion on the base, wherein the second portion of the first electrode faces the first connecting portion;
• a second connecting portion on the base;
• and
• a separation portion between the first connecting portion and the second connecting portion, wherein
• the base is exposed in the separation portion,
• the separation portion includes a wide portion on a first connecting portion side of the separation portion,
• the first portion of the first electrode overlaps with the wide portion of the separation portion based on an orthographic projection of the first portion of the first electrode with respect to the base, and
• the light-emitting device covers the separation portion;
• applying an energy ray to the base from a second side of the base opposite to the first side to cure a part of the adhesive layer, wherein the part of the adhesive layer is not blocked by the first connecting portion and the second connecting portion;
• removing one of an uncured part or a semi-cured part of the partly cured adhesive layer;
• connecting the second portion of the first electrode to the first connecting portion;
• and
• removing the cured part of the partly cured adhesive layer via the separation portion.

A method of producing a light-emitting device assembly, the method comprising:

• disposing a light-emitting device on a first side of a base of the light-emitting device assembly via an adhesive layer, wherein
• the adhesive layer is one of an uncured or a semi-cured energy ray-curable adhesive layer, and
• the light-emitting device assembly includes:
• the light-emitting device that includes:
• a light-emitting layer;
• a first electrode, wherein
• the first electrode includes a first portion and a second portion,
• the first portion is in contact with the light-emitting layer, and
• the first portion extends from the second portion;
• and
• a second electrode configured to electrically connect the light-emitting layer;
• a first connecting portion on the base, wherein the second portion of the first electrode faces the first connecting portion;
• a second connecting portion on the base;
• a separation portion between the first connecting portion and the second connecting portion, wherein
• the base is exposed in the separation portion, and
• the first portion of the first electrode overlaps with a wide portion of the separation portion based on an orthographic projection of the first portion of the first electrode with respect to the base;
• and
• a communication unit in a part of the light-emitting device, wherein
• the part of the light-emitting device includes the second portion of the first electrode,
• the second portion of the first electrode is configured to communicate with an outside of the light-emitting device assembly via the communication unit, and
• the light-emitting device covers the separation portion;
• applying an energy ray to the base from a second side of the base opposite to the first side to cure a part of the adhesive layer, wherein the part of the adhesive layer is not blocked by the first connecting portion and the second connecting portion;
• removing one of an uncured part or a semi-cured part of the partly cured adhesive layer;
• connecting the second portion of the first electrode to the first connecting portion;
• and
• removing the cured part of the partly cured adhesive layer via the separation portion.