Extracting　light　from　organic　light-emitting　diodes　(OLED5)　and　improving　the　angular　distribution　are　essential　for　their　commercial　applications　in　illumination　and　displays.　In　this　work,　hybrid　microlens　arrays　(　MLAs)　and　gratings　with　periods　and　depths　in　the　scale　of　submicron　have　been　designed　and　incorporated　on　the　lighting　surface　of　OLEDs　for　simultaneous　enhancement　of　light　outcoupling　efficiency　and　angular　distribution　improvement.　It　is　found　that　the　augmentation　of　light　extraction　efficiency　is　mainly　attributed　to　the　MLAs,　while　the　gratings　can　improve　the　viewing　angle　by　increasing　the　angular　distribution　uniformity.　A　novel　approach　was　proposed　by　combining　photoresist　thermal　reflow,　soft-lithography　and　plasma　treatments　on　polydimethylsiloxane　(PDMS)　surfaces　synergistically　to　realize　gratings　on　the　wavy　surface　of　MLAs.　It　has　been　proved　that　with　the　hybrid　MLAs/gratings,　the　external　quantum　efficiency　(EQE)　of　the　OLED　can　reach　up　to　22.8%,　which　increased　by　24%　compared　to　that　of　bare　OLED.　Moreover,　the　OLED　with　the　hybrid　MLAs/gratings　showed　an　obvious　lateral　enhancement　at　wider　viewing　angle.　(C)　2021　Optical　Society　of　America　under　the　terms　of　the　OSA　Open　Access　Publishing　Agreement