Patent ID: 8716736

Claim:
A surface light emitting device, comprising: an organic EL element having a first face and a second face opposite to said first face, said organic EL element configured to emit light from said first face; a protection substrate having transparency for light emitted from said organic EL element, said protection substrate facing said first face, and said protection substrate having a primary surface facing said first face of said organic EL element; a protector facing said second face of said organic EL element, said protector configured to constitute a housing in combination with said protection substrate, and said housing configured to accommodate said organic EL element to protect said organic EL element from water; and a light extractor interposed between said first face of said organic EL element and said protection substrate, said light extractor configured to suppress reflection of light emitted from said organic EL element on at least one of said first face of said organic EL element and said primary surface of said protection substrate.