Display device including an optical pattern

1 . A display device comprising:

a base layer on which a pixel region, a sensor region, and a peripheral region adjacent to the pixel region and the sensor region are defined;

an element layer including a light emitting element having a light emitting layer disposed in the pixel region, a light sensing element having a photoelectric conversion layer disposed in the sensor region, and a pixel definition film on which openings are defined;

a light blocking pattern disposed on the element layer and overlapping a portion of the peripheral region; and

an optical pattern disposed on the light blocking pattern, wherein at least a portion of the optical pattern overlaps the photoelectric conversion layer on a plane, and

an opening among the openings defined in the pixel definition film, which is corresponding to the light sensing element and in which at least a portion of the photoelectric conversion layer is disposed, an opening defined by light blocking inner surfaces of the light blocking pattern, and an opening defined by optical inner surfaces of the optical pattern overlap each other on a plane.

2 . The display device of claim 1 , wherein the light blocking pattern and the optical pattern include a light blocking material.

3 . The display device of claim 1 , further comprising a color filter layer disposed on the element layer and including a plurality of color filter units,

wherein the light blocking pattern overlaps an edge of each of the plurality of color filter units.

4 . The display device of claim 3 , wherein the color filter layer further includes an overcoat layer covering the plurality of color filter units, wherein the optical pattern is disposed on the overcoat layer.

5 . The display device of claim 4 , further comprising an additional organic layer disposed on the overcoat layer, wherein the optical pattern is disposed on an upper surface of the additional organic layer.

6 . The display device of claim 1 , further comprising an organic planarization layer disposed on the optical pattern and covering the optical pattern.

7 . The display device of claim 1 , wherein

the peripheral region includes a non-sensor region adjacent to the sensor region; and

the optical pattern overlaps the non-sensor region.

8 . The display device of claim 7 , wherein

the light blocking pattern includes a first sub-light blocking pattern and a second sub-light blocking pattern which at least partially overlap the optical pattern; and

on a cross-section, a separation distance between the first sub-light blocking pattern and the second sub-light blocking pattern is larger than a width of the sensor region.

9 . The display device of claim 8 , wherein

the optical pattern overlaps the light sensing element on a plane and includes a first sub-optical pattern and a second sub-optical pattern spaced apart from the first sub-optical pattern; and

on a cross-section, a separation distance between the first sub-optical pattern and the second sub-optical pattern is smaller than the width of the sensor region.

10 . The display device of claim 9 , wherein

the first sub-light blocking pattern and the second sub-light blocking pattern include the light blocking inner surfaces overlapping the non-sensor region and light blocking outer surfaces facing the light blocking inner surfaces;

the first sub optical pattern and the second sub-optical pattern include the optical inner surface overlapping the sensor region and an optical outer surface facing the optical inner surface; and

the optical outer surfaces are disposed more adjacent to the sensor region than the light blocking outer surfaces.

11 . The display device of claim 7 , wherein the light blocking pattern does not overlap the non-sensor region.

12 . The display device of claim 1 , further comprising a window disposed on the optical pattern,

wherein a sensing region of the light sensing element is defined on an upper surface of the window.

13 . The display device of claim 1 , further comprising an input sensing layer disposed between the element layer and the light blocking pattern.

14 . The display device of claim 1 , wherein

the light emitting element is an organic light emitting diode, and

the light sensing element is an organic photodiode.

15 . The display device of claim 1 , wherein an opening corresponding to the light emitting element among the openings defined in the pixel definition film and the opening defined by optical inner surfaces of the optical pattern does not overlap each other on a plane.

16 . The display device of claim 1 , wherein the light emitting elements are provided in plural, and

on a cross-section, the optical pattern is arranged adjacent to some of the plurality of light emitting elements and not adjacent to the rest of the plurality of light emitting elements.

17 . A display device comprising:

a base layer on which a pixel region, a sensor region, and a peripheral region adjacent to the pixel region and the sensor region are defined;

an element layer including a light emitting element disposed in the pixel region, a light sensing element disposed in the sensor region;

a color filter layer disposed on the element layer,

an optical pattern disposed on the color filter layer; and

a window disposed on the optical pattern,

wherein a distance from an upper surface of the optical pattern to an upper surface of the window is smaller than a distance from an upper surface of the color filter layer to the upper surface of the window, and

the peripheral region includes a non-sensor region adjacent to the sensor region; and

the optical pattern overlaps the non-sensor region.

18 . The display device of claim 17 , wherein the light sensing element includes:

an anode disposed on the base layer;

a photoelectric conversion layer disposed on the anode; and

a cathode disposed on the photoelectric conversion layer, and

wherein at least a portion of the optical pattern overlaps the photoelectric conversion layer on a plane.

19 . The display device of claim 17 , wherein the color filter layer includes:

a plurality of color filter units;

the light blocking pattern overlapping an edge of each of the plurality of color filter units; and

an overcoat layer covering the plurality of color filter units, wherein the optical pattern is disposed on the overcoat layer.

20 . A display device in which a pixel region, a sensor region, and a peripheral region adjacent to the pixel region and the sensor region are defined, the display device comprising:

an element layer including a light emitting element having a light emitting layer disposed in the pixel region and a light sensing element having a photoelectric conversion layer disposed in the sensor region, and a pixel definition film on which openings are defined;

a color filter layer disposed on the element layer and including a light blocking pattern which overlaps a portion of the peripheral region;

an optical layer including an optical pattern disposed on the light blocking pattern; and

a window disposed on the optical layer,

wherein at least a portion of the optical pattern overlaps the photoelectric conversion layer on a plane, and

an opening among the openings defined in the pixel definition film, which is corresponding to the light sensing element and in which at least a portion of the photoelectric conversion layer is disposed does not overlap the light blocking pattern on a plane.