The endoscope provided with an LED light source unit to the distal end rigid portion constituting a distal end portion of the endoscope insertion portion, LED light source unit includes a ceramic substrate for LED, is mounted on the distal end side of the ceramic substrate for LED a LED light source, is inserted through the endoscope insertion portion is guided to the tip, and the LED cable connected to the conductive pattern of the ceramic substrate for the LED, a ceramic substrate for the LED is integrally fixed to the conduction of the ceramic substrate for LED are provided with, a reinforcement member for covering the ceramic notch provided in order to expose the pattern.内視鏡挿入部の先端部を構成する先端硬性部にLED光源ユニットを設けた内視鏡であって、LED光源ユニットは、LED用セラミック基板と、LED用セラミック基板の先端側に実装されるLED光源と、内視鏡挿入部内に挿通されて先端部に導かれ、LED用セラミック基板の導通パターンに接続されるLEDケーブルと、LED用セラミック基板に一体に固定されてLED用セラミック基板の導通パターンを露出させるために設けられたセラミック切欠部を覆う補強部材と、を具備している。
