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US 10,818,874 B2Granted
Electroluminescent device having light transmitting region of non-through-hole structure
AssigneeSamsung Display Co., Ltd.
InventorMyoung Seo Park
Life of this patent
Estimating the term…
Abstract
An electroluminescent device, including: a lower structure; and an encapsulation structure disposed on the lower structure, wherein the lower structure includes: a display region; a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region; and a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other, and wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region.
Claims15
An electroluminescent device, comprising:
- a lower substrate;
- a lower structure on the lower substrate;
- and
- an encapsulation structure disposed on the lower structure,
- wherein the lower structure includes:
- a display region;
- a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region;
- and
- a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other,
- wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region,
- wherein the display region comprises an electroluminescent unit including a reflecting electrode, an intermediate multilayer on the reflecting electrode, and a semi-transparent electrode on the intermediate multilayer,
- wherein the lower structure has an inorganic surface portion substantially surrounding the display region and the light transmitting region in a plan view, the encapsulation structure has an inorganic lower surface, and the inorganic lower surface of the encapsulation structure is in contact with the inorganic surface portion of the lower structure to form an inorganic-inorganic encapsulation contact region substantially surrounding the display region and the light transmitting region in a plan view, and
- wherein the electroluminescent device does not have a hole formed through both the lower substrate and the lower structure, a portion of the encapsulation structure, the portion corresponding to the light transmitting region, is not removed, and the portion of the encapsulation structure is substantially surrounded by the inorganic-inorganic encapsulation contact region in a plan view.
10 more elements
An electroluminescent device, comprising:
- a lower structure;
- and
- an encapsulation structure disposed on the lower structure,
- wherein the lower structure includes:
- a display region;
- a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region;
- and
- a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other,
- wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region,
- wherein the lower structure further includes:
- an inorganic multilayer;
- a planarization structure being substantially transparent and being disposed on the inorganic multilayer;
- a reflecting electrode being an individual layer disposed on the planarization structure;
- a pixel definition layer being substantially transparent and being disposed on the planarization structure to cover a side portion of the reflecting electrode;
- an intermediate multilayer disposed on the reflecting electrode;
- and
- a semi-transparent electrode being a common layer disposed on the intermediate multilayer,
- wherein the pixel definition layer has a sidewall extending along the outline of the light transmitting region in the at least the portion of the buffer region, and
- wherein the light blocking structure includes a semi-transparent member extending on the pixel definition layer to cover the sidewall of the pixel definition layer and being a single piece with the semi-transparent electrode.
16 more elements
An electroluminescent device, comprising:
- a lower structure;
- and
- an encapsulation structure disposed on the lower structure,
- wherein the lower structure includes:
- a display region;
- a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region;
- and
- a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other,
- wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region,
- wherein the lower structure further includes:
- an inorganic multilayer;
- a planarization structure being substantially transparent and being disposed on the inorganic multilayer;
- a reflecting electrode being an individual layer disposed on the planarization structure;
- a pixel definition layer being substantially transparent and being disposed on the planarization structure to cover a side portion of the reflecting electrode;
- an intermediate multilayer disposed on the reflecting electrode;
- and
- a semi-transparent electrode being a common layer and being disposed on the intermediate multilayer,
- wherein the planarization structure and the pixel definition layer have a sidewall extending along the outline of the light transmitting region in the at least the portion of the buffer region, and
- wherein the light blocking structure has a semi-transparent member extending on the planarization structure and the pixel definition layer to cover the sidewall and being a single piece with the semi-transparent electrode.
16 more elements
An electroluminescent device, comprising:
- a lower structure;
- and
- an encapsulation structure disposed on the lower structure,
- wherein the lower structure includes:
- a display region;
- a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region;
- and
- a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other,
- wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region,
- wherein the lower structure further includes:
- an inorganic multilayer;
- and
- a planarization structure being substantially transparent and being disposed on the inorganic multilayer, and
- wherein the light blocking structure includes a first reflection structure disposed on the planarization structure.
11 more elements
An electroluminescent device, comprising:
- a lower structure;
- and
- an encapsulation structure disposed on the lower structure,
- wherein the lower structure includes:
- a display region;
- a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region;
- and
- a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other,
- wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region,
- wherein the lower structure includes:
- an inorganic multilayer structure;
- a planarization structure being substantially transparent and being disposed on the inorganic multilayer structure;
- a reflecting electrode being an individual layer disposed on the planarization structure;
- a pixel definition layer being substantially transparent and being disposed on the planarization structure to cover a side portion of the reflecting electrode;
- an intermediate multilayer disposed on the reflecting electrode;
- and
- a semi-transparent electrode being a common layer disposed on the intermediate multilayer, and
- wherein the inorganic multilayer structure includes at least one recess corresponding to the light transmitting region and filled with the planarization structure.
15 more elements
Dependencies are inferred from the claim text.